JEE MAIN - Chemistry (2023 - 24th January Evening Shift - No. 22)
If the pKa of lactic acid is 5, then the pH of 0.005 M calcium lactate solution at 25$$^\circ$$C is ___________ $$\times$$ 10$$^{-1}$$ (Nearest integer)
_24th_January_Evening_Shift_en_22_1.png)
Answer
85
Explanation
Concentration of calcium lactate $=0.005 \mathrm{M}$, concentration of lactate ion $=(2 \times 0.005) \mathrm{M}$.
Calcium lactate is a salt of weak acid $+$ strong base
$\therefore$ Salt hydrolysis will take place.
Calcium lactate is a salt of weak acid $+$ strong base
$\therefore$ Salt hydrolysis will take place.
Comments (0)
