Which One of the Following Is a Buffer Solution

question 75

Multiple Choice

Which one of the following is a buffer solution

• A) 0.40 M HCN and 0.10 KCN
• B) 0.20 M CH₃COOH
• C) 1.0 M HNO₃ and 1.0 M NaNO₃
• D) 0.10 M KCN
• E) 0.50 M HCl and 0.10 NaCl

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