(D) The relationship between $pH$ and hydrogen ion concentration is given by the formula: $pH = -\log [H^{+}]$.Given $pH = 5.4$,we have $5.4 = -\log [

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(D) The relationship between $pH$ and hydrogen ion concentration is given by the formula: $pH = -\log [H^{+}]$.Given $pH = 5.4$,we have $5.4 = -\log [H^{+}]$,which implies $\log [H^{+}] = -5.4$.To find $[H^{+}]$,we calculate the antilog: $[H^{+}] = 10^{-5.4}$.$[H^{+}] = 10^{0.6} \times 10^{-6} \approx 3.98 \times 10^{-6} \ mol/L$.

Class 11 Chemistry 2 Equilibrium: Ionic Equilibrium Water hydrolysis and pH scale

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Hydrogen ion concentration in $mol/L$ in a solution of $pH = 5.4$ will be

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A
$3.98 \times 10^8$
B
$3.88 \times 10^6$
C
$3.68 \times 10^{-6}$
D
$3.98 \times 10^{-6}$

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2 Equilibrium: Ionic Equilibrium

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Water hydrolysis and pH scale

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