Calculate the PH of a Buffer Solution Prepared by Dissolving

question 126

Multiple Choice

Calculate the pH of a buffer solution prepared by dissolving 0.2 mole of sodium cyanate (NaCNO) and 1.0 mole of cyanic acid (HCNO) in enough water to make 1.0 liter of solution.[K_a(HCNO) = 2.0 × 10^-4]

• A)0
• B)3.0
• C)3.7
• D)4.4
• E)5.0

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