What is the pH of a buffer that is 0 120 M in formic acid (HCHO 2 ) and 0 080 M in potassium formate (KCHO 2 ) For formic acid, K a 1 8 10 4 a) 2 33 b) 3 57 c) 3 74 d) 3 91 ...

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What is the pH of a buffer that is 0.120 M in formic acid (HCHO 2 )

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What is the pH of a buffer that is 0.120 M in formic acid (HCHO₂) and 0.080 M in potassium formate (KCHO₂)? For formic acid, K_a = 1.8 * 10^-4.

a) 2.33

b) 3.57

c) 3.74

d) 3.91

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Chemistry A Molecular Approach

ISBN: 9780134874371

5th Edition

Authors: Nivaldo Tro

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Question Posted: Nov 18, 2023 10:02 PM

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What is the pH of a buffer that is 0.120 M in formic acid (HCHO 2 )

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Chemistry A Molecular Approach

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