What is the poh of a 0.025 m [h+] solution? a) 0.94 b) 1.60 c) 12.40 d) 13.06

C) 12.40

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration and pOH is calculated by taking negative logarithm of hydroxide ion concentration.

Given:

Thus pOH of the solution is 12.40

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a electronegativity decreases beacuse the size of nucleus is bigger.