Question
calculate the carbonate conc. in [CO3 ] in a 0.10 M solution of the weak acid,
carbonic acid (H2CO3 ). The dissociation
constants of carbonic acid are Ka1 =4.5*10^-7 & Ka2*10^-11
and .
(1) 4.7 × 10^-4 M
(2) 1.0 × 10^-4 M
(3) 4.5 × 10^-4 M
(4) 2.1 × 10^-4 M