Calculate the PH of a Buffer Solution Prepared by Dissolving

question 64

Multiple Choice

Calculate the pH of a buffer solution prepared by dissolving 0.20 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) 0.00
• B) 3.00
• C) 3.70
• D) 4.40
• E) 5.00

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