1. Which of the following acids (listed with pKa values) andtheir conjugate base would form a buffer with a pH of 8.10? A. HC7H5O2, pKa = 4.19 B. HF, pKa = 3.46 C. HClO, pKa = 7.54 D. HClO2, pKa = 1.96 2. When titrating a strong monoprotic acid and KOH at 25

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13 Dec 2019

1. Which of the following acids (listed with pKa values) andtheir conjugate base would form a buffer with a pH of 8.10?

A.

HC₇H₅O₂, pKa = 4.19

B.

HF, pKa = 3.46

C.

HClO, pKa = 7.54

D.

HClO₂, pKa = 1.96

2. When titrating a strong monoprotic acid and KOH at 25

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Casey DurganLv2

17 Dec 2019

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Related questions

Which of the following acids, (listed with Ka values), and their conjugate base will form a buffer with a pH of 2.34?

Please, show calculations:

A) HF, K_a = 3.5 x 10 ^-4

B) HClO, K_a = 2.9 x 10 ^-8

C) HC₇H₅O₂ K_a = 6.5 x 10 ^-5

D) HCN, K_a = 4.9 x 10 ^-10

E) HClO₂, K_a = 1.1 x 10 ^-2

The accompanying graph shows the titration curves for two monoprotic acids. (a) Which curve is that of a strong acid? (b) What is the approximate pH at the equivalence point of each titration? (c) 40.0 mL of each acid was titrated with 0.100 M base. Which acid is more concentrated? (d) Estimate the pK_a of the weak acid.