QUESTION 10 Acid-Base Titration Here oxalic acid was used to standardize a dilute solution of sodium hydroxide. A 1.38x10-3 mol sample of a di-protic acid was dissolved in 25.0 mL of distilled water. This solution was titrated with 22.1 mL of a NaOH solution until a slight pink tint was observed. What is the molarity of the NaOH solution used to titrate the acid? Experiment - Acid-Base Titration.pdf O a. 0.125 M O b. 0.110 M O c. 0.0552 M O d. 0.0624 M

QUESTION 10 Acid-Base Titration Here oxalic acid was used to standardize a dilute solution of sodium hydroxide. A 1.38x10-3 mol sample of a di-protic acid was dissolved in 25.0 mL of distilled water. This solution was titrated with 22.1 mL of a NaOH solution until a slight pink tint was observed. What is the molarity of the NaOH solution used to titrate the acid? Experiment - Acid-Base Titration.pdf O a. 0.125 M O b. 0.110 M O c. 0.0552 M O d. 0.0624 M

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a monoprotic base. 14 pH 12 10 8 6 4 2 0 0 5 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a (2) Choose a suitable indicator for the endpoint of the titration from the following pulldown list. 0 Malachite green Thymol blue Methyl orange Bromocresol green Methyl red Bromothymol blue Cresol red Phenolphthalein Thymolphthalein Alizarin yellow 0.2 1.8 pH 0 1 1.2 2 2.8 3 3.2 4.4 3.8 5.4 4 4.8 6.0 5 6.0 6 25 7.0 71 7 8.0 9.6 7.6 8.2 8 8.8 10.0 94 10.6 10.1 9 10 11 acid with a 12.0 12 13 14 base.
How is activity related to the 1/2 equivalence point in a titration? activity=activity coefficient x Molarity
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2. No need to explain too much
QUESTION 5 When titrating a strong monoprotic acid and KOH at 25°C, the O pH will be equal to 7 at the equivalence point. titration will require more moles of base than acid to reach the equivalence point. O pH will be less than 7 at the equivalence point. pH will be greater than 7 at the equivalence point. titration will require more moles of acid than base to reach the equivalence point.
Question 7 Which acid-base titration would yield a titration curve of the general form shown? O H3PO4 titrated with NaOH NazPO4 titrated with HCI NaOH titrated with H3PO4 H2SO4 titrated with NaOH H2CO3 titrated with NaOH
Question 20 of 25 Submit In a titration of 21.0 mL of a 0.250 M solution of a triprotic acid H3PO4 (phosphoric acid) with 0.600 M Ca(OH)2, how many mL of base are required to reach the third equivalence point? mL 1 2 3 C 7 9. +/- x 10 0 LO 00
0.426 g of KHP contains how many moles of KHP? If you need 0.00253 mol of NaOH to reach the equivalence point in the titration of an HCl sample, how many mol of HCl were present in the sample?
Question 4 of 7 In a titration of 76.0 mL of a 0.500 M solution of a diprotic acid H₂C3H2O4 (malonic acid) with 0.255 M NaOH, how many mL of base are required to reach the second equivalence point? W