What is the hydroxide ion concentration in an aqueous solution when the hydronium ion concentration equals 1 × $$10 ^ { - 10 }$$ moles per liter?
A)The concentration of hydroxide ions is 1 × $10 ^ { - 10 }$ moles per liter.
B)The concentration of hydroxide ions is 1 × $10 ^ { - 4 }$ moles per liter.
C)The concentration of hydroxide ions is 1 × $10 ^ { - 2 }$ moles per liter.
D)The concentration of hydroxide ions is 1 × $10 ^ { - 6 }$

Question

Quizplus · Accepted Answer

The concentration of hydroxide ions can be found using the water dissociation constant, $K_w = 1 \times 10^{-14}$ at 25°C, where $K_w = [H_3O^+][OH^-]$. Given $[H_3O^+] = 1 \times 10^{-10}$, solving for $[OH^-]$ gives $[OH^-] = \frac{1 \times 10^{-14}}{1 \times 10^{-10}} = 1 \times 10^{-4}$ moles per liter.

What Is the Hydroxide Ion Concentration in an Aqueous Solution 10−1010 ^ { - 10 }10−10

What Is the Hydroxide Ion Concentration in an Aqueous Solution $10 ^ { - 10 }$