Suppose in a titration of a diprotic acid a student needed 25.64 mL of 0.1105 M NaOH to reach the phenolphthalein endpoint. If the mass of the unknown acid was 0.2452 g, calculate the molar mass of the unknown acid in grams per mole. Type answer:

Q: In a titration, 25.00 ml. of an unknown weak acid required 38.99 mL of a 1.4971 M NaOH solution to…

A: Given data, Molarity of NaOH = 1.4971M Volume of NaOH = 38.99mL Volume of weak acid = 25.0mL

Q: After going through the results of your first method validation experiment with your PI, you decide…

A: Titration is the process, through which we determine the concentration of unknown solution by…

Q: Constant-boiling HCl can be used as a primary standard for acid-base titrations. A 50.00 mL sample…

A: Beryllium hydroxide reacts with hydrochloric acid to form barium chloride and water. The equation…

Q: Why you should not start a titration with zero mL as an initial volume?

A: A quantitative analysis where the amount of substance is calculated present in the sample by…

Q: In a titration experiment using a buret, would you expect to use much less than  a 10 ml volume in…

A: In titration experiment, when a volume less than 10 ml is required to reach the end point then it…

Q: Before performing a titration of vinegar itself, you first had to standardize the solution used to…

A: As most base solutions are secondary standardized, so we need to standardise base solutions with a…

Q: Suppose you are titrating an acid of unknown concentration with a standardized base. At the…

A: Acid + Base ---------> Salt + waterIt is a neutralization reaction where base present in the…

Q: It required 11.96 mL of 0.102 M NaOH to titrate a 0.0927 g sample of an unknown monoprotic acid to…

A: Calculate the moles of NaOH,          (0.102 mol/L) (0.01196 L) = 0.00121992 mol

Q: What was the concentration of the weak acid?

A: Titration is the process of adding a measured volume of an acid or base of known molarity to an acid…

Q: Q/ Mohr's method uses the potassium chromate indicator and this indicator makes the equivalent point…

A: The question is based on the concept of titrations. we have to calculate percentage Chloride present…

Q: A titration experiment between barium oxalate and HCl was done, with HCl as the titrant. The barium…

A: 10 mL aliquot of barium oxalate is titrated with 10.70 mL of 0.000560 M HCl solution.2 moles of…

Q: a) Lysine is an essential amino acid. It is taken by some people as a nutritional supplement in the…

A:

Q: Use the References to access important values if needed for this question. An aqueous solution of…

A: Given : molarity of Ba(OH)2= 0.186 M Volume of HCl solution = 20.3 mL And volume of Ba(OH)2 solution…

Q: To determine the concentration of a solution of sulfurous acid, a 150.0-mL sample is placed in a…

A: The balanced equation for the titration is,2KOH + H2SO3 → 2H2O + K2SO3Mole of KOH= 0.1463 M ×…

Q: An aqueous solution of hydrochloric acid is standardized by titration with a 0.163 M solution of…

A: Recall the measurements, Molarity of Barium hydroxide=0.163 M, Volume=15.2 ml Molarity of…

Q: At the end of an acid-base titration, the products in the beaker are always a and liquid

A: At the end of an acid-base titration, the products in the beaker are always a salt and liquid water.…

Q: 10.00 mL of the unknown acid with a concentration of 0.1500M was placed into an Erlenmyer flask…

A: Interpretation: The amount of sodium hydroxide used in the experiment is to be determined. Given:…

Q: 21. When 20.00 ml of sulfuric acid of unknown concentration is titrated with 0.1249 M NaOH, 32.50 ml…

A:

Q: 1. If 2.50 ml of vinegar requires 34.90 ml of 0.0960 M NaOH to reach the equivalence point in a…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: In performing the Alkalinity of Streams and Lakes activity, a student collects the following data.…

A:

Q: Suppose in a titration of a monoprotic acid a student needed 31.36 mL of 0.1105 M NaOH to reach the…

A: Answer :- 60.87 g/mol  The Molar Mass of unknow monoprotic acid = 60.87 g/mol…

Q: Suppose you are titrating an acid of unknown concentration with a standardized base. At the…

A: In this titration, base is taken in the burette. Base is added from the burette.  To measure the…

Q: An unknown solution containing oxalic acid, which is titrated against sodium hydroxide. How many…

A: The titrant is sodium hydroxide and analyte is the unknown solution containing oxalic acid. The…

Q: all of the blanks and submit re practice with titration calculations: of a 0.45 M standard solution…

A: Using, C1V1 = C2V2

Q: In preparing to titrate an acid with a base, a student puts on goggle on. The student uses burets to…

A: Given,  Molarity of NaOH = 0.500 M Molarity of HCl = ? Volume of NaOH used in trial 1 = 17.03 mL…

Q: Given the following values, what is the concentration of the acid? (With solution) Initial Volume…

A: Given: Initial volume of acid = 10.150 mL Final volume of acid = 11.620 mL Initial volume of NaOH =…

Q: To determine the concentration of a solution of sulfurous acid, a 50.00-mL sample is placed in a…

A: According to volumetric principleMa*Va = Mb*Vb(The a and b representing the acid and base,…

Q: Consider the following hypothetical acid-base titration where A represents the acid and B represents…

A: A +B ---------> salt + water 1 mole of A reacts with 1 mole of B to give 1 mole of salt and 1…

Q: In the course of various qualitative analysis procedures, the following mixtures are encountered:…

A: It is given that in a qualitative analysis procedure, mixtures are there which contain Ag+ and Mn2+…

Q: Assignment: To be submitted I. a. What are the different titration errors associated with the use of…

A:

Q: Laws passed in some states define a drunk driver as one who drives with blood alcohol level of 0.10%…

A: The provided balanced chemical equation will help us solve this problem.

Q: Q/ Mohr's method uses the potassium chromate indicator and this indicator makes the equivalent point…

A: The question is based on the concept of titrations. we have been given mass of barium Chloride…

Q: A titration flask contains 0.00425 moles of an acetic acid sample a. Determine the moles of the base…

A: Given-> Moles of acetic acid = 0.00425 mole Molarity of base = 0.200 M

Q: d The balanced chemical equation for the neutralization is: Average titer 27.55 mlL HNO, NaOH NANO,…

A: Erlenmayer flask is an analytical equipment like , conical flask used for titrations. We can find…

Q: You determine the molarity of an unknown acid by titrating it with 0.38 M KOH. You use a 73.08 mL…

A: The required reaction is given by, M1V1=M2V2 where M is the molarity and V is the volume.

Q: Calculate the number of moles of NaOH used when 15.45 mL of the 0.0985 M solution was delivered to…

A:

Q: Q2. A 0.5 g sample containing sodium bicarbonate is dissolved and titrated with standard solution of…

A: The acid HCl is stadarize using, sodium carbonate. The acid base reaction for this titration is,…

Q: A 25.0mL acetic acid sample was titrated using exactly 69.72 mL of a 0.30M sodium hydroxide solution…

A: Given reaction is- CH3COOH(aq) + NaOH(aq) → CH3COONa(aq) + H2O(l) i.e- 1 mole of  CH3COOH reacts…

Q: Analysis of Data: Calculate the molarity f the HCI for each trial that was titrated using your…

A: The given titration is an example of a typical acid-base titration. Here, the acid HCl is being…

Q: Suppose you are performing a titration. At the beginning of the titration, you read the titrant…

A: Given Initial reading = 2.75 ml Final reading = 17.43 ml

Q: I need to figure out how to calculate the molar mass of this unknown acid by titration , and give…

A: Let the unknown acid be a monobasic acid with the chemical formula HA.

Q: Two 24.91 ml. samples of apple juice were analyzed using 0.1000 M NAOH solution by the method in…

A: Neutralization reaction is defined as the reaction in which an acid reacts with a base to form a…

Q: Liza carefully pipets 25.0 mL of 0.525 M NaOH into a test tube. She places the test tube into a…

A: Given data contains, Volume of NaOH is 25.0 mL. Molarity of NaOH is 0.525 M. Volume of HCl is 75.0…

Q: A 34.99 mL sample of an unknown phosphoric acid solution is titrated with a 0.115 M calcium…

A:

Q: In a titration, the initial reading on my burette was 1.50 mL and the final reading was 15:7 mL.…

A: Given, Initial reading = 1.50 mL Final reading = 15.7 mL

Q: Why can't the 250-mL Erlenmeyer flask be used to measure the vinegar needed in the titration?…

A: The titration is used to determine the concentration of an unknown acid/base solution using the…

Q: If 31.0 mLmL of a 0.200 NN acid solution is needed to reach the end point in titration of 24.5 mLmL…

A: Given ,  Volume of acid (Va) = 31.0 mL Normality of acid (Na) = 0.200 N Volume of base (Vb) = 24.5…

Q: A 50 mL solution of NaOH was titrated with 39.7 mL of 0.9781 M HCI. What is the 1. concentration of…

A: Concentration of NaOH solution can easily be calculated by using molarity equation M1V1= M2V2 Where…

Q: 30 mL of sulfuric acid of unknown concentration is titrated against 40 mL of 0.20 M NaOH.  What is…

A: