Question

"0.01 M solution of $H_2A$ has pH equal to 4. If $K_{a1}$ for the acid is $4.45 \times 10^{-7}$, the concentration of $HA^-$ ion in solution would be Question no 10"

• A. 0.01 M
• B. $4.45 \times 10^{-5}$
• C. $8.0 \times 10^{-5}$
• D. unpredictable

Answer 1

The Correct Option is A

"Now, "