Ionic equilibrium

Chemistry Level 2

Determine the pH \text{pH} of a 0.05 M 0.05 \text{ M} aqueous solution of sodium-bicarbonate.

Take K ( a 1 ) = 4 × 1 0 − 7 K(a_1) = 4 \times 10^{-7} and K ( a 2 ) = 5 × 1 0 − 11 K(a_2) = 5 \times 10^{-11} for carbonic acid at 25 celcius.

9.55 4.45 5.78 8.79

Nishchith Bhat by Nishchith Bhat , 22, India

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