An analytical chemist weighs out 0.063 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. She ther titrates this solution with 0.1900M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 3.5 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 2 significant digits. mol O

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Q: An analytical chemist weighs out 0.054 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

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Q: Objective KTIOV A chemistry student weighs out 0.0434 g of sulfurous acid (H,SO,), a diprotic acid,…

A: Molarity is defined as number of moles per litre of solution.

Q: An analytical chemist weighs out 0.047 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Molar mass of unknown monoprotic acid as shown below

Q: A chemistry student weighs out 0.162 g of lactic acid (HC,H,o,) into a 250. mL volumetric flask and…

A: Answer :- 20.0 (mL) The volume of NaOH solution needed to reach equivalence point = 20.0 mL…

Q: An analytical chemist weighs out 0.244 g of an unknown diprotic acid into a 250 mL volumetric flask…

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Q: An analytical chemist weighs out 0.083 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Mass of the unknown monoprotic acid, HA taken = 0.083 g Total volume of the HA solution prepared =…

Q: A chemistry student weighs out 0.0529 g of lactic acid (HC,H,o,) into a 250. mL volumetric flask and…

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Q: An analytical chemist weighs out  0.149g  of an unknown diprotic acid into a  250mL  volumetric…

A: Answer:- This question is answered by using the simple concept of stoichiometry using balanced…

Q: 15 16 17 18 19 20 21 22 23 24 26 A chemist must prepare 0.225 L of 5.00 M aqueous silver perchlorate…

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Q: A chemistry student weighs out  0.0737g  of acrylic acid  HCH2CHCO2  into a  250.mL  volumetric…

A: This problem can be solved by using the molarity equation :…

Q: If 25.0 mL of a 3.00 M HCl stock solution are diluted with water to a final volume of 5.00 L, what…

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Q: An analytical chemist weighs out 0.074 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Acid - Base titration  In acid - base titration at equivalence point M1×V1 = M2×V2  Let, 1 for acid…

Q: to standardize a fresh solution of sodium hydroxide. She carefully weighs out 88. mg of oxalic acid…

A: Mass of oxalic acid = 88 mg  Molar mass of acid = 90 g/mol MMoles of acid = mass/MM   = 88/90 =…

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Q: An analytical chemist weighs out 0.131 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given: Weight of monoprotic acid is 0.131 g. Volume of acid is 250 mL. Molarity of NaOH is 0.1800 M.…

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Q: An analytical chemist weighs out 0.109 g of an unknown triprotic acid into a 250 mL volumetric flask…

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Q: A chemist prepares a solution of silver perchlorate (AgCIO,) by measuring out 1.9 kg of silver…

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Q: A chemistry student weighs out 0.191 g of lactic acid (HC,H,0,) into a 250. mL volumetric flask and…

A: Given 0.191 gram lactic acid  in 250 ml flask and titrated  with 0.05 M NaoH. First  we calculate…

Q: A chemistry student weighs out 0.0763g of lactic acid HC3H5O3 into a 250.mL…

A: The formula of Molarity is as follows, Molarity=Number of MolesVolume (mL)×1000  The equation for…

Q: An analytical chemist weighs out 0.118 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: Mass of the triprotic acid = 0.118 g Volume = 250 mL Molarity of NaOH = 0.1100 M Volume of NaOH…

Q: A chemistry student weighs out  0.0191g  of acrylic acid  HCH2CHCO2  into a  250.mL  volumetric…

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Q: cal chemist weighs out 0.087 g of an unknown monoprotic acid into a 250 mL volumetric flask and…

A: We should equal equivalent of both acid and NaOH ion to get molar mass of acid  Equivalent =…

Q: 0.644 g of wood bleach, which contains oxalic acid, H2C2O4, was placed in an Erlenmeyer flask.  The…

A: Balanced chemical equation: 2KOH  +  H2C2O4  ------>   K2C2O4  +   2H2O  Number of of moles of…

Q: An analytical chemist weighs out 0.087 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: An analytical chemist weighs out 0.085 g of an unknown monoprotic acid into a 250 mL volumetric…

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Q: An analytical chemist weighs out 0.066 g of an unknown monoprotic acid into a 250 mL volumetric…

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Q: An analytical chemist weighs out 0.050 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: In an acid-base neutralization reaction, normality will be compared as the base is monobasic and the…

Q: An analytical chemist weighs out 0.067 g of an unknown diprotic acid into a 250 mL volumetric flask…

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Q: 1.4L of a 2.50 M HNO, solution is added to water so that the final volume is 5.0L Express your…

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Q: An analytical chemist weighs out 0.112 g of an unknown monoprotic acid into a 250 mL volumetric…

A: We need to use molarity equation to solve this question.

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Q: A chemistry student weighs out 0.0923 g of hypobromous acid (HBRO) into a 250. mL volumetric flask…

A: Given mass of HBrO = 0.0923 g  Volume of HBrO in mL = 250.0 mL  Molarity of NaOH = 0.1400 M…

Q: An analytical chemist weighs out 0.115 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given data,Mass of acid=0.115gMolarity of NaOH=0.070MVolume of NaOH=17.0mLVolume of flask=250mL

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Q: An analytical chemist weighs out 0.159 g of an unknown monoprotic acid into a 250 mL volumetric…

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Q: An analytical chemist weighs out 0.061 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given: Mass of acid = 0.061 g Molarity of NaOH = 0.1900 M Volume of NaOH = 3.3 mL = 0.0033 L