Posted by Krysten on Thursday, March 25, 2010 at 10:29pm.
k1 and k2 are far enough apart in H2CO3 that k2 can be ignored; therefore, treat this as a monoprotic acid with just k1.
H2CO3 ===> H^+ + HCO3^-
k1 = (H^+)(HCO3^-)/(H2CO3)
Set up an ICE chart, substitute into k1 and solve for H^+.
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