What is the pH of $3.9 \times 10^{-4}$ M $HNO_3$ -3.40 0.03 3.41 3.51 none of these
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The concentration of $H^+$ ions is equal to the concentration of $HNO_3$. Therefore, $[H^+] = 3.9 \times 10^{-4}$ M. Show more…
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