The molar concentration of H⁺ ions in a solution is 5.8 × 10^{− 9}. The pH is _____ . A)9.00 B)5.80 C)between 8.00 and 9.00 D)between 9.00 and 10.00

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The molar concentration of $H^+$ ions is $5.8 \times 10^{-9}$. The pH is calculated using the formula pH = -log[H+]. The pH is thus between 8 and 9, because a concentration of $1 \times 10^{-7}$ corresponds to a pH of 7, and the given concentration is less than that but more than $1 \times 10^{-9}$ (pH 9).

The Molar Concentration of H+ Ions in a Solution Is

The Molar Concentration of H⁺ Ions in a Solution Is