Calculate the concentration of h3o+ in a solution that contains 5.5 × 10-5 m oh- at 25°c. identify the solution as acidic, basic, or neutral.
a. 1.8 × 10-10 m, acidic
b. 9.2 × 10-1 m, basic
c. 5.5 × 10-10 m, neutral
d. 9.2 × 10-1 m, acidic
e. 1.8 × 10-10 m, basic

The correct answer is option (e).

Explanation:

Concentration of hydroxide ions

The pOH of the solution is defined as negative logarithm of hydroxide ions of in an aqueous solution.

pH +pOH = 14

pH = 14-pOH

pH=14 - 4.259 = 9.741

The pH of the solution is defined as negative logarithm of hydronium ions of in an aqueous solution.

The solution is basic as pH of the solution is 9.741.

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