What Is the [H₃O⁺] in a Buffer That Consists of 0.30

question 102

Multiple Choice

What is the [H₃O⁺] in a buffer that consists of 0.30 M HCOOH and 0.20 M HCOONa? For HCOOH, K_a = 1.7 × 10⁻⁴

• A)1.1 × 10 ⁻⁴ M
• B)2.6 × 10 ⁻⁴ M
• C)4.3 × 10 ⁻⁴ M
• D)6.7 × 10 ⁻⁵ M
• E)None of these choices are correct.

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