If of is added to of , what will be the pH of the resulting solution? — Ionic Equilibrium Chemistry Question
Question
If $1 \text{ cc}$ of $0.1 \text{ N } HCl$ is added to $99 \text{ cc}$ of $0.1 \text{ N } NaCl$, what will be the pH of the resulting solution?
Answer: C
💡 Solution & Explanation
$NaCl$ is neutral. The $HCl$ is diluted from $1 \text{ cc}$ to $100 \text{ cc}$ (a 100-fold dilution). New $[H^+] = 0.1 / 100 = 10^{-3} \text{ N}$. Thus, $pH = 3.0$.
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