In order to determine the concentration of a solution of Carbonic Acid (H2CO3), a sample was placed in a buret and titrated with 0.1132 M Sodium hydroxide. For the carbonic acid, the initial reading was 11.0 ml and final reading was 31.0 ml.  For the Sodium Hydroxide, the initial reading was 1.2 and the final reading was 46.4ml.  What is the concentration of the carbonic acid?

Q: > Calculate the percent of acetic acid in a 20 mL vinegar sample. Titration was used, and it took…

A: Given data is Volume of the vinegar sample = 20 mL  Volume of NaOH used in the titration= 35.19 mL…

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

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Q: An analytical chemist weighs out 0.203 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: The point that appears in the titration curve, where the number of moles of an acid and the number…

Q: A chemistry student weighs out 0.155 g of lactic acid (HC,H,O3) into a 250. mL volumetric flask and…

A: Lactic Acid is:- HC3H5O3 The molar mass of lactic acid is :- 90.08g/mol Weight of Lactic acid used =…

Q: 30 mL of an unknown concentration of phosphoric acid (triprotic) was titrated with 10 mL 0.05 M…

A: We have to predict the concentration of the acid

Q: If 14.45 ml of H2SO4 is required to reach the end point when titrated with 25.00 ml of 0.9298 M…

A:

Q: A 0.392 g sample of a monoprotic acid is dissolved in water and titrated with 0.120 M KOH. What is…

A: We have to calculate the molar mass of acid.

Q: A student is trying to determine the molar mass of an unknown weak, monoprotic acid. A solution of…

A:

Q: Assume it took  0.300 L of 0.10 M hydrochloric acid, HCl(aq), to reach the end point when titrating…

A: Given data is as follows:  The concentration of the HCl solution = 0.10 M The volume of the HCl…

Q: 10.A 0.1268 g sample of a monoprotic weak acid was dissolved in 25 mL of water and titrated with…

A: Given: Molarity = 0.0625 M Volume of base = 17.9 mL mass of sample = 0.1268 g The reaction can be…

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

A: We have to calculate the molar mass of the unknown acid.

Q: A mass of 0.640 g of an unknown monoprotic acid, HA, was titrated with KOH. Given that the acid…

A: The molar mass of the monoprotic acid HA will be 151 g/mol (after rounding off).

Q: Imagine your instructor gave you a solution of carbonic acid (H2CO3) and asked you to determine the…

A: The number of the moles of solute to the volume of solution in liters is known as molarity.

Q: In a titration 36.7 mL of HBr solution is put in a flask with a few drops of phenolphthalein and…

A: given data are - volume of acid = V1 = 36.7 mL  volume of base = V2 =51.4 ml concentration of base =…

Q: An analytical chemist weighs out 0.165 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: The unknown acid is triprotoic acid, hence the balanced chemical reaction between the acid and NaOH…

Q: n analytical chemist weighs out 0.105 g of an unknown monoprotic acid into a 250 mL volumetric flask…

A: At equivalence point mole of standard solution is equal to the mole of unknown solution.

Q: Lactic acid is a monoprotic acid with the formula C3H6O3. You have a 25.00 mL sample of lactic acid…

A: The concentration of acids is determined by a neutralization reaction with a base of known…

Q: concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue…

A: The question is based on reaction Stoichiometry. we have to determine the concentration of copper…

Q: A student titrates a weak acid with 0.100 M NaOH, adding 31.65 mL before a dark pink color is seen.…

A: The mole of H+ ion the weak acid is equal to the mole of NaOH used in the titration.  The molarity…

Q: An analytical chemist weighs out 0.130 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

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: 1621.56 1243.52 1232.84 815.04 658.50 1572.37 1476.52 1464.39 1339.50 1147.64 778.68 1098.78 1421.27…

A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data…

Q: An impure sample of potassium hydrogen phthalate (KHP) was titrated to determine the percent…

A: We will use stoichiometry of the reaction to get the answer.

Q: An analytical chemist weighs out 0.102 g of an unknown diprotic acid into a 250 mL volumetric flask…

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Q: What was the molarity of the KOH solution

A: Molarity = number of moles/volume of solution (in L)   Number of moles = molarity x volume

Q: You dissolve a 0.553 g sample of an unknown monoprotic weak acid in water to a total volume of 20.0…

A: At equivalence point models of acid are equal to moles of base . So first we would calculate models…

Q: An analytical chemist weighs out 0.461 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: The molar mass of an unknown acid is to be calculated from the given data. Given: Mass of unknown…

Q: Consider the titration of 100.0 mL of an unknown concentration of weak monoprotic acid with 0.550 M…

A: The volume of unknown weak monoprotic acid, V1 = 100.0 mLThe concentration of weak monoprotic acid,…

Q: A student titrates 0.2834 g of an unknown monoprotic acid to the equivalence point with 21.85 mL of…

A:

Q: Malonic acid, H2C3H2O4 (aq), is a diprotic acid, so 2 moles of hydroxide ions are required per mole…

A: A neutralization reaction can be described as a chemical reaction in which acid and base react…

Q: You have been provided with a 2.13 x 10-2 L  sample of lithium hydroxide (LiOH) of unknown…

A:

Q: A student titrates a weak acid with 0.100 M NaOH, adding 34.84 mL before a dark pink color is seen.…

A: Calculation of no. of mol of NaOH: No. of mol=Molarity×Volume=0.100 mol/L×34.84×10-3 L=3.484 ×10-3…

Q: A chemistry student weighs out 0.116 g of hypobromous acid (HBrO) into a 250. mL volumetric flask…

A: Given  Mass of HBrO =  0.116 gram  Volume  =  250 mL  Molarity of NaOH  = 0.1600 M  Volume of NaOH…

Q: Titration of a 20.00 mL sample of acid rain required 4.13 mL of 0.08424 M KOH to reach the end…

A: The given reaction is, H2SO4- + 2KOH -----> K2SO4 + 2H2O This means that 2 moles of KOH is…

Q: A 5.00 g quantity of a diprotic acid was dissolved in water and made up to exactly 2.25 x 10² mL.…

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Q: unknown acid, which can be either oxalic acid, H2C2O4, or citric acid, H3C6H5O7. To determine which…

A: I m not getting why you have written moles of NaOH and oxalic acid after that .We have to find it…

Q: The concentration of HCl can be determined by titration with a primary standard such as sodium…

A: First calculate the moles of Na2CO3: moles of Na2CO3 = Mass/Molar mass = 0.421g/(106gmol-1) = 3.97 ×…

Q: An analytical chemist weighs out 0.127 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given:-analytical chemist weighs = 0.127 gMolarity = 0.1800MV = 9.3 mLCalculate molar mass of the…

Q: A chemistry student weighs out 0.361 g of ascorbic acid (H₂C H₂O), a diprotic acid, into a 250. ml.…

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Q: When titrating a 0.4444 g sample of KHP (molar mass = 204.2 g/mol), it took 18.54 mL of sodium…

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Q: In an acid-base titration, the neutralization of 25.00 mL of a solution of NaOH (sodium hydroxide)…

A:

Q: in a titration to determine the concentration of hydronium ions in a test solution, the test…

A: Given: In a titration to determine the concentration of hydronium ions in a test solution: The test…

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

A: Given:-analytical chemist weighs = 0.066 gMolarity = 0.1700MV = 8.4 mLCalculate molar mass of the…

Q: In a laboratory experiment, a student is conducting a titration.  In this titration, a 0.250 M…

A: Given: The molarity of the NaOH solution = 0.250 M The volume of the HCl solution taken = 30.0 mL…

Q: A 30.00 ml sample of phosphoric acid is titrated with a 0.050 M magneisim hydroxide solution.  The…

A: Given: Volume of sample = 30.00 mLInitial buret reading = 4.71 mLFinal buret reading = 31.09…

Q: A strong acid-strong base titration was performed as follows: 10.00 mL of 0.10M HCl were collected…

A:

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for