Solve the problem.
-Find the hydrogen ion concentration of a solution $\left[\mathrm{H}^{+}\right]$whose $\mathrm{pH}$ is 7.3. Use the formula $\mathrm{pH}=-\log \left[\mathrm{H}^{+}\right]$.
A) $-8.63 \times 10^{-1}$ moles per liter
B) $8.63 \times 10^{-1}$ moles per liter
C) $5.01 \times 10^{-8}$ moles per liter
D) $2.00 \times 10^{7}$ moles per liter

Question

Quizplus · Accepted Answer

The formula to find the hydrogen ion concentration from pH is $\left[\mathrm{H}^{+}\right] = 10^{-\mathrm{pH}}$. Substituting the given pH of 7.3, we get $\left[\mathrm{H}^{+}\right] = 10^{-7.3} = 5.01 \times 10^{-8}$ moles per liter.

Solve the Problem [H+]\left[\mathrm{H}^{+}\right][H+] Whose pH\mathrm{pH}pH Is 73 Use the Formula pH=−log⁡[H+]\mathrm{pH}=-\log \left[\mathrm{H}^{+}\right]pH=−log[H+]

Solve the Problem $\left[\mathrm{H}^{+}\right]$ Whose $\mathrm{pH}$ Is 73 Use the Formula $\mathrm{pH}=-\log \left[\mathrm{H}^{+}\right]$