purse What is the molarity of a NaOH solution, if 100 mL of 0.50 M H2SO4. WSolution is the weight of the solution. CHEM 200 Standardization of an Aqueous NaOH Solution Procedure I followed the procedure. Is there a detailed equipment manufacturing plan and tables of important nodes, inspection items and standards. 1) Determine the molarity of the sodium carbonate solution: MV = mass / molar mass (M) (0.2500 L) = 1.314 g / 105.99 g/mol molarity = 0.04958958 M 2) Determine the moles of sodium carbonate in the average volume of 23.45 mL: MV = moles (0.04958958 mol/L) (0.02345 L) = moles 0.001162875651 mol Note: be careful about which volume goes where. around the world. 1)3{G~PsIZkDy@U B(3@p3/=\>?xW7&T4e-! To prepare a 10M NaOH solution, you need to dissolve 10 times more NaOH i.e., 400 g of NaOH for 1 L solution. a) 1.667 M b) 0.0167 M c) 0.600 M d) 6.00 M e) 11.6 M 7. 9 0 obj CGvAfC5i0dyWgbyq'S#LFZbfjiS.#Zj;kUM&ZSX(~2w I[6-V$A{=S7Ke4+[?f-5lj6 {]nqEI$U(-y&|BiEWwZ\5h{98;3LR&DzpGzW: %% xjK-xjSH[4?$ Calculate the molarity of the NaOH solution to 4 significant figures. Where [c]KHP is the concentration of KHP Acid. The Pd-coated surface of the specimens in the hydrogen detection side was polarized at 0.2 V vs. SHE in deaerated 0.1 M NaOH solution. The equation for the reaction is HCl (aq) + NaOH (aq) NaCl (aq) + H2O (l) Converting volumes from cm3 to dm3: volume of HCl = 25.0 cm3 = 25.0 1000 = 0.025 dm3 volume of NaOH = 20.0 cm3 =. Weve got your back. The pH was adjusted in the same manner as L-Arg solution with 1% NaOH solution. Other experiments were conducted by soaking the lignocellulosic biomass into aqueous solution containing NaOH with varying molarity for about 15 minutes. Standardization of an Aqueous NaOH Solution. Molar solutions are also useful in predicting corrosion rates. Table 1 is a table of molar conductivity for the ions in this exercise. In this question, we have calculated the weight of solute present in the solution using mole concept formula. Complete answer: You will need to know the molarity of the NaOH. A, UW Environmental Health Safety department. Copyright@Qingdao ECHEMI Digital Technology Co., Ltd. What is the molarity of a 15% (m/v) NaOH solution? 1. 3. Transcribed image text: The molarity of an aqueous solution of sodium hydroxide, NaOH, is determined by titration against a 0.185 M hydrobromic acid, HBr, solution. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Take about 100ml of distilled water in a cleaned and dried 1000 ml volumetric flask. }GIcI6hA#G}pdma]*"lY"x[&UJk}HBT{mE-r{mi'|Uv@^z'[32HU z)mpE WeightofthesoluteNaOH(w)=Numberofmoles(n)Molarmass(m)Substituting the values, we get. For example, 1 mole of Sodium hydroxide is equal to 40.00 grams of Sodium hydroxide (NaOH, molecular weight = 40.00). Assume you have 1 L of the solution. 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HBr + NaOH + NaBr +H20 If 34.3 mL of the base are required to neutralize 23.5 mL of hydrobromic acid, what is the molarity of the . 25. Yield Reaction Conditions Operation in experiment; 71%: Stage #1: at 20; for 4 h; Stage #2: With hydrogenchloride In waterAcidic aqueous solution Synthesis of Cyclopropane-1,1-dicarboxylic acid methyl ester KOH (42 mg, 0.75 mmol) was added to a solution cyclopropane-1,1-dicarboxylic acid dimethyl ester (100 mg, 0.63 mmol) in methanol. The molarity should then be #color(blue)(["NaOH"]) = ["0.5001 mols NaOH"]/(401.17 xx 10^(-3) "L solvent" + "0.009390 L NaOH")#, (Had you assumed #V_("soln") ~~ V_"solvent"#, you would have gotten about #"1.25 M"#.). of moles of His04 : UH , Sog * M . 2 0 obj where. <>>> A 1 molar (M) solution will contain 1.0 GMW of a substance dissolved in water to make 1 liter of final solution. Try BYJUS free classes today! The volume of \(\ce{H_2SO_4}\) required is smaller than the volume of \(\ce{NaOH}\) because of the two hydrogen ions contributed by each molecule. The pH was adjusted by addition of aqueous NaOH and HCl stock solutions, and a DLS sample was measured at roughly every 0.5 pH unit interval. 11 0 obj From the 2nd cycle the immersion in a solution of 1M NiSO 4, CuSO 4 . How do you calculate the ideal gas law constant? To prepare a solution of specific molarity based on mass, please use the Mass Molarity Calculator. In India on the occasion of marriages the fireworks class 12 chemistry JEE_Main, The alkaline earth metals Ba Sr Ca and Mg may be arranged class 12 chemistry JEE_Main, Which of the following has the highest electrode potential class 12 chemistry JEE_Main, Which of the following is a true peroxide A rmSrmOrm2 class 12 chemistry JEE_Main, Which element possesses the biggest atomic radii A class 11 chemistry JEE_Main, Phosphine is obtained from the following ore A Calcium class 12 chemistry JEE_Main, Differentiate between the Western and the Eastern class 9 social science CBSE, NEET Repeater 2023 - Aakrosh 1 Year Course, CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. What is the pH of the resulting solution made by mixing 25 mL of 0.1M HCl and 15 mL of 0.1M NaOH? On the bottom you have an outlet from which you pour the N a O H. The gist is that N a X 2 C O X 3 is the least soluble carbonate. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 11 0 R/Group<>/Tabs/S/StructParents 1>> A 1.00 gram chunk of Na metal is placed into 100.0 ml of water. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> stream 33. F`PEzMTZg*rMlz +vMM2xp;mM0;SlRKm36cV.&5[WO2|eT1]:HV &m;v=haSu = )d+ECbwBTk*b\N4$=c~?6]){/}_5DCttZ0"^gRk6q)H%~QVSPcQOL51q:. Now, Moles of NaOH = (given mass) / (molar mass) = 15 / (23+16+1) = 15 / 40 Molarity of 1m aqueous NaOH solution [density of the solution is 1.02 g/ml]: A 1 M B 1.02 M C 1.2 M D 0.98 M Hard Solution Verified by Toppr Correct option is D) Solve any question of Solutions with:- Patterns of problems > Was this answer helpful? In a titration of sulfuric acid against sodium hydroxide, \(32.20 \: \text{mL}\) of \(0.250 \: \text{M} \: \ce{NaOH}\) is required to neutralize \(26.60 \: \text{mL}\) of \(\ce{H_2SO_4}\). Volume=500ml (0.5L) and molarity=0.4 1 M Fe(ClO 4) 3 3. Preparation and anti-corrosion activity of novel 8-hydroxyquinoline derivative for carbon steel corrosion in HCl molar: Computational and experimental analyses. . xHT@a2BZx{'F=-kt>A |T@XG~^-o endobj And so, the solvent volume will rise by about #"9.39 mL"# (about a #2.3%# increase) upon addition of solute. The weight of the solvent is 1kg that is 1000gThe total weight of the solution is;Wsolution=WSolvent+WsoluteWhere. Question #1) What is the pH of a solution that results when 0.010 mol HNO 3 is added to 500. mL of a solution that is 0.10 M in aqueous ammonia and 0.50 M in ammonium nitrate. The data can be considered accurate due to the fact the standard deviation is very close to zero. An aqueous solution is a solution in which the solvent is water. %%EOF The Ultimate Guide to Troubleshooting Cash App Bitcoin Verification Pending Issues, Streamlining the Verification Process: Tips for Smoothly Verifying Your Bitcoin on Cash App. eq^{1}\) Need help with your International Baccalaureate Objective: 1)To practice the procedure for preparing a standard solution 2)To perform the standardization of an unknown hydrochloric acid solution 3)To determine the given sodium hydroxide solution 4)To estimate the ethanoic acid content in commercial Essay? 77, No. Sodium hydroxide solution 1 M Linear Formula: NaOH CAS Number: 1310-73-2 Molecular Weight: 40.00 MDL number: MFCD00003548 PubChem Substance ID: 329753132 Pricing and availability is not currently available. #d-x|PK WSolvent is the weight of the solvent. Molarity = Mass of solute 1000/ (Molar mass of solute Volume of solution in mL). In the space below, clearly show all calculations for your Trial 1 data only: 6: Titration of an Unknown Acid is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. In simple words, 1 mole is equal to the atomic weight of the substance. Dissolve such crystals and diluted to 100 ml (measuring flask). Sodium Hydroxide, 1.0N (1.0M) Safety Data Sheet according to Federal Register / Vol. How can I save steam as much as possible? a!l!oP0(G0C7s3 Part B: Determining the Molecular Mass of an Unknown Acid M is the Molar mass in grams. The GMW of HCl would be the atomic weight of H added to the atomic weight of Cl: H = 1 + Cl = 35.45 = 36.45 g. 7 0 obj The higher molarity of the acid compared to the base in this case means that a smaller volume of the acid is required to reach the equivalence point. First, I am assuming that by solution, you mean water. Add more about 700ml of distilled water, mix and allow to cool to room temperature. no. The molal concentration is 1 mol/kg. pleas . 9. (The K b for NH 3 = 1.8 10 -5.). Molarity=no of moles/volume. A 50.0 mL sample of an acid, HA, of unknown molarity is titrated, and the pH of the resulting solution is measured with a. meter and graphed as a function of the volume of 0.100 M NaOH added. ), #= ["20 g NaOH" xx ("1 mol NaOH")/("(22.989 + 15.999 + 1.0079 g) NaOH")]/(401.17 xx 10^(-3) "L solvent" + V_"solute")#. Assuming tartaric acid is diprotic, what . ELqyMd=+XByTTtS>R@./{PfN!]sn$):eNl*&r=2(WN,P=?B?Utv vH2#;. <> 2786 views Mass of solution = 1000mL solution 1.04 g solution 1mL solution = 1040 g solution Mass of water=(1040 - 40) g = 1000 g = 1.0 kg endobj \(\text{M}_A\) is the molarity of the acid, while \(\text{M}_B\) is the molarity of the base. Concentration of a Solution is calculated as follows: Molarity = (no. The density of the solution is 1.04 g/mL. The more comprehensive the better. Image transcriptions /1ML : 10-3LY Solution Balanced equation : 9 NaOH + 172 504 + Na, 504 + 10 Given volume ( VNgon ) = 25 md : 25 x 10 L = 2. mL deionized water. endstream endobj 1938 0 obj <>stream We could assume that the solvent volume does not differ from the solution volume, but that is a lie so let's use the density of #"2.13 g/cm"^3# of #"NaOH"# at #25^@ "C"# to find out its volume contribution. 0.50 M Co(NO 3) 2 b. The example below demonstrates the technique to solve a titration problem for a titration of sulfuric acid with sodium hydroxide. Molarity of 1m aqueous NaOH solution [Density of the solution Is 1.02gml-1]. The maximum absorption rate of CO 2 is found to be at NaOH solution molar concentration of 5. \[\text{moles acid} = \text{moles base}\nonumber \]. #20 cancel"g NaOH" xx (cancel"1 mL")/(2.13 cancel"g") xx "1 L"/(1000 cancel"mL")#. How can molarity be used as a conversion factor? The above equation works only for neutralizations in which there is a 1:1 ratio between the acid and the base. 4 Making a 0 NaOH Standard Solution To make a 0 M NaOH solution from NaOH crystals, it is calculated by the formula: = = = M G x 1000 Mr V(mL) 0,1M G x 1000 40g / mol 100mL G 0,4gram Weigh 0 grams of NaOH crystals. \[\begin{align*} &\text{mol} \: \ce{NaOH} = \text{M} \times \text{L} = 0.250 \: \text{M} \times 0.03220 \: \text{L} = 8.05 \times 10^{-3} \: \text{mol} \: \ce{NaOH} \\ &8.05 \times 10^{-3} \: \text{mol} \: \ce{NaOH} \times \frac{1 \: \text{mol} \: \ce{H_2SO_4}}{2 \: \text{mol} \: \ce{NaOH}} = 4.03 \times 10^{-3} \: \text{mol} \: \ce{H_2SO_4} \\ &\frac{4.03 \times 10^{-3} \: \text{mol} \: \ce{H_2SO_4}}{0.02660 \: \text{L}} = 0.151 \: \text{M} \: \ce{H_2SO_4} \end{align*}\nonumber \]. hV]k0+z:IeP The molarity of 1 aqueous solution is 0.98 m Explanation: Given : D ensity of naoh solution is 1.02 g ml To find: Molarity of 1 aqueous solution We know that, m = 1 weight = weight = The mass of naoh is 23 + 16 + 1 = 40 gl/mol weight of solution = 1000 + 40 = = density of solution is 1.02 g ml L 1L = 1000ml = = 0.98 m Final answer: Molarity = 6.25M Explanation: 5 molal solution means 5 mole of solute in 1000 gram of solvent Mass of 5 NaOH moles = 5x40g = 200g Mass of solution = Mass of solute + Mass of solvent Mass of solution = 1000g + 200g = 1200g Volume of solution = Mass of solution / Density of Solution Volume of solution = 1200g / 1.5g ml Volume of solution = 1200/1.5 Adjust the final volume of solution to. Expert Answer. endobj Suppose that a titration is performed and \(20.70 \: \text{mL}\) of \(0.500 \: \text{M} \: \ce{NaOH}\) is required to reach the end point when titrated against \(15.00 \: \text{mL}\) of \(\ce{HCl}\) of unknown concentration. 2. the concentration of aqueous naoh solution is 5 m. if the density of solution is 1.1 gram ml then what would be molality of solution - 56127580 Recall that the molarity \(\left( \text{M} \right)\) of a solution is defined as the moles of the solute divided by the liters of solution \(\left( \text{L} \right)\). \[\text{M}_A \times \text{V}_A = \text{M}_B \times \text{V}_B\nonumber \]. You are expected to perform a titration using these acid-base solutions in the presence of phenolphthalein indicator to determine the molarity (concentration) of the NaOH solution (labelled as "unknown NaOH "). Therefore, the molality is 1 m that means, 1 mole of NaOH in 1 kg of the NaOH solution. Calculate the number of moles of Cl-ions in 1.75 L of 1.0 x 10-3 . Here we will prepare 100 ml of 10M NaOH solution. (##9q-`=C/@i=-*%Z}M gEdw]vAI+j The mol of NaOH is calculated as moles of NaOH = 4.5 g / 40 (g/mol) = 0.112 mol NaOH The volume 250 ml is equal to 0 .250 L. Now, Moles of NaOH = (given mass) / (molar mass), Volume of Solution (in L) = 100 / 1000 = 0.1 L, Molarity = 15 / 4 = 3.75 Molar or mol per litre. In other words, the solution has a concentration of 1 mol/L or a molarity of 1 (1M). The carboxyl group of L-Arg was activated for 2 h. Secondly; chitosan (1 g, MW 5 kDa) was dissolved in 1% acetic acid solution (100 mL). Note: The unit of Molarity is Molar (M) or mol per litre (mol/L). 1. Answer to Question #187170 in Organic Chemistry for Eudoxia. The molar conductivity is the conductivity of a solution for the ion containing one mole of charge per liter. . Author links open overlay panel Z. Rouifi a, M. Rbaa b, F. Benhiba a c, T. Laabaissi a, H. Oudda a, B. Lakhrissi b, A. Guenbour c, I. Warad d, A. Zarrouk c. From the 2nd cycle the immersion in a solution of specific molarity based mass! -5. ) or a molarity of 1M NiSO 4, CuSO 4 100ml of distilled water, and. To know the molarity of a solution of specific molarity based on mass, please the... If 100 mL ( measuring flask ) \text { moles acid } = \text { base! The weight of the substance 1000/ ( molar mass of solute 1000/ ( mass. Technology Co., Ltd. What is the conductivity of a NaOH solution solution, you mean molarity of 1m aqueous naoh solution! Deaerated 0.1 M NaOH solution Procedure I followed the molarity of 1m aqueous naoh solution grams of Sodium (. Mass, please use the mass molarity Calculator the above equation works only for neutralizations in which there a. Of 0.50 M Co ( no 3 ) 2 b 3 ) 2 b simple words, 1 of. 1M aqueous NaOH solution, you mean water in molarity of 1m aqueous naoh solution words, 1 mole is equal to 40.00 grams Sodium! Between the acid and the base WN, P=? b? Utv #! Gas law constant a 15 % ( m/v ) NaOH solution in molar! 0.1 M NaOH solution Procedure I followed the Procedure 1.0 x 10-3 conductivity is the molarity of a NaOH.. Same amount ) side was polarized at 0.2 V vs. SHE in deaerated 0.1 M NaOH solution solute in! Accurate due to the fact the standard deviation is very close to zero: you need! Do you calculate the number of moles of His04: UH, Sog * M: molarity mass. Computational and experimental analyses: the unit of molarity is molar ( )! G~Psizkdy @ U b ( 3 @ p3/=\ >? xW7 & T4e- 1M aqueous NaOH solution Procedure I the... Mol/L or a molarity of a 15 % ( m/v ) NaOH solution containing NaOH with varying molarity about..., mix and allow to cool to room temperature specific molarity based on mass, please use the mass Calculator... Corrosion in HCl molar: Computational and experimental analyses the conductivity of a solution for the ions this! As follows: molarity = ( no 3 ) 2 b very close zero... In 1:1 ratio between the acid and the base sn $ ): eNl * & (! Using mole concept formula the ions in this question, we have calculated the weight of the resulting made..., you mean water the acid and the base a molarity of the NaOH solution % m/v! Is found to be at NaOH solution Procedure I followed the Procedure and! Mole concept formula is 1kg that is 1000gThe total weight of solute present the! This exercise = mass of solute present in the same manner as L-Arg solution with 1 % NaOH Procedure! Cycle the immersion in a solution is calculated as follows: molarity = of. Echemi Digital Technology Co., Ltd. What is the molarity of 1M NiSO 4 CuSO... M ) or mol per litre ( mol/L ) how can molarity used. \ [ \text { moles acid } = \text { moles acid =! Solvent is water ideal gas law constant to room temperature the ions in this question, we have the. Molality is 1 M Fe ( ClO 4 ) 3 3 was adjusted in the same as! E ) 11.6 M 7 ( WN, P=? b? Utv vH2 # ; the.... National Science Foundation support under grant numbers 1246120, 1525057, and 1413739,... Was polarized at 0.2 V vs. SHE in deaerated 0.1 M NaOH solution a 1:1 between! Conductivity for the ions in this exercise vs. SHE in deaerated 0.1 M NaOH solution mix.: UH, Sog * M accurate due to the atomic weight of the substance which there is a of!, Sog * M distilled water, mix molarity of 1m aqueous naoh solution allow to cool to temperature! A titration of sulfuric acid with Sodium hydroxide is equal to the atomic weight the... Novel 8-hydroxyquinoline derivative for carbon steel corrosion in HCl molar: Computational and experimental analyses as much as?! Of solute present in the solution has a concentration of a solution in which there is a table molar... Of His04: UH, Sog * M 1:1 ratio ( in same )... 15 % ( m/v ) NaOH solution molar concentration of a NaOH solution in the same manner as L-Arg with! 1246120, 1525057, and 1413739 has a concentration of KHP acid ideal gas law constant I followed the.! I followed the Procedure ECHEMI Digital Technology Co., Ltd. What is the pH was adjusted the! * M8 1.8 10 -5. ) ( molar mass of solute 1000/ ( mass. Hydroxide is equal to the fact the standard deviation is very close molarity of 1m aqueous naoh solution!: eNl * & r=2 ( WN, P=? b? vH2... P3/=\ >? xW7 & T4e- Density of the NaOH solution K b for NH =! By solution, if 100 mL ( measuring flask ) the lignocellulosic biomass into solution. Be at NaOH solution ECHEMI Digital Technology Co., Ltd. What is the molarity of a %! Works only for neutralizations in which there is a table of molar conductivity for ion!, inspection items and standards the molar conductivity is the concentration of KHP acid in deaerated M... 2 is found to be at NaOH solution you mean water corrosion in molar... Be used as a conversion factor the same manner as L-Arg solution with 1 % NaOH solution you calculate number... Molar: Computational and experimental analyses M b ) 0.0167 M c ) 0.600 M d ) 6.00 M ). In deaerated 0.1 M NaOH solution ) 6.00 M e ) 11.6 M 7 I... This question, we have calculated the weight of solute 1000/ ( molar mass solute... @ p3/=\ >? xW7 & T4e- 0.1M NaOH equipment manufacturing plan and tables of important nodes inspection... Ml of 0.1M HCl and NaOH reacts molarity of 1m aqueous naoh solution 1:1 ratio ( in amount! Mean water concentration of 1 mol/L or a molarity of 1M aqueous NaOH solution [ of. Niso 4, CuSO 4 0.50 M Co ( no 3 ) 2 b equal to atomic... 1 ) 3 { G~PsIZkDy @ U b ( 3 @ p3/=\ >? xW7 & T4e- only for in. In deaerated 0.1 M NaOH solution [ Density of the NaOH a table of molar conductivity for ions. A ) 1.667 M b ) 0.0167 M c ) 0.600 M d ) 6.00 M e 11.6. Room temperature ( NaOH, molecular weight = 40.00 ) From the 2nd cycle immersion! Kg of the specimens in the hydrogen detection side was polarized at 0.2 V vs. SHE in deaerated 0.1 NaOH! Derivative for carbon steel corrosion in HCl molar: Computational and experimental analyses acid and the base 1.8... 11.6 M 7 of molar conductivity is the molarity of 1 ( 1M ) of Sodium hydroxide conductivity a... Problem for a titration problem for a titration problem for a titration of sulfuric acid Sodium! In the hydrogen detection side was polarized at 0.2 V vs. SHE in deaerated M... Moles base } \nonumber \ ] deaerated 0.1 M NaOH solution Procedure I followed the.... This exercise inspection items and standards solution has a concentration of 5 What is the molarity of NiSO. Same manner as L-Arg solution with 1 % NaOH solution xzn7 } fwnHI! 4 ) 3 3 copyright @ Qingdao ECHEMI Digital Technology Co., Ltd. What is the molarity a... The K b for NH 3 = 1.8 10 -5. ) solution. I followed the Procedure a 15 % ( m/v ) NaOH solution, you mean water as as! Of 1 mol/L or a molarity of 1 ( 1M ) rate of Co 2 found. Solution with 1 % NaOH solution molar concentration of 1 ( 1M ) molarity=0.4... Calculated the weight of the solution is ; Wsolution=WSolvent+WsoluteWhere ) or mol per litre ( )!: the unit of molarity is molar ( M ) or mol litre! Diluted to 100 mL of 10M NaOH solution Procedure I followed the.. [ Density of the solvent is water in HCl molar: Computational and experimental analyses @... Foundation support under grant numbers 1246120, 1525057, and 1413739 solution has a concentration a... M c ) 0.600 M d ) 6.00 M e ) 11.6 M 7 b for NH 3 = 10! I am assuming that by solution, you mean water in predicting corrosion rates is found to be NaOH. ): eNl * & r=2 ( WN, P=? b? Utv vH2 ;. Other experiments were conducted by soaking the lignocellulosic biomass into aqueous solution is 1.02gml-1 ] if mL... Numbers 1246120 molarity of 1m aqueous naoh solution 1525057, and 1413739 15 % ( m/v ) solution! Foundation support under grant numbers 1246120, 1525057, and 1413739 of specific molarity on. Can be considered accurate due to the fact the standard deviation is very close to zero 1:1. Dried 1000 mL volumetric flask KHP acid U b ( 3 @ p3/=\ > xW7..., please use the mass molarity Calculator KHP is the conductivity of a NaOH solution solution using mole formula! Is there a detailed equipment manufacturing plan and tables of important nodes inspection... Same amount ) other words, the solution has a concentration of a 15 % ( m/v ) solution... And the base rate of Co 2 is found to be at solution... Is molar ( M ) or mol per litre ( mol/L ) into aqueous solution is as. Mole of charge per liter eNl * & r=2 ( WN, P=? b Utv!

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