What would be the molar ratio of cyanic acid (HCNO) /sodium cyanate (NaCNO) buffer having a pH of 4.80? [Ka(HCNO) = 2.0 * 10-4]
A) 10.6 mol NaCNO to 1.0 mol HCNO
B) 11.6 mol NaCNO to 1.0 mol HCNO
C) 12.6 mol NaCNO to 1.0 mol HCNO
D) 13.6 mol NaCNO to 1.0 mol HCNO
E) None of the above
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