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(B) The ionic product of water $(K_w)$ is defined as the product of the concentrations of hydrogen ions and hydroxide ions in water at a given tempera

Vedclass · Accepted Answer

$14$

Vedclass · Answer

(B) The ionic product of water $(K_w)$ is defined as the product of the concentrations of hydrogen ions and hydroxide ions in water at a given temperature.$K_w = [H^+][OH^-] = 1.0 	imes 10^{-14}$ at $298 \ K$.Taking the negative logarithm on both sides:$-\log K_w = -\log ([H^+][OH^-]) = -\log (10^{-14})$.$-\log K_w = -\log [H^+] - \log [OH^-] = 14$.Since $pH = -\log [H^+]$ and $pOH = -\log [OH^-]$,we get:$pH + pOH = 14$.

$pH + pOH$ is equal to

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