Question

The pOH of a solution is 6.0. Which statement is correct? Use mc030-1.jpg and mc030-2.jpg. The pH of the solution is 20.0. The concentration of OH– ions is mc030-3.jpg. The concentration of OH– ions is mc030-4.jpg. The pH of the solution is 8.0.

Answer 1

1) pOH(solution) = 6.
pOH + pH = 14.
pH = 14 - pOH.
pH = 14 - 6.
pH = 8.
pH (potential of hydrogen) is a numeric scale used to specify the acidity or basicity an aqueous solution.
This solution is basic, because pH value is greater than 7.
2) [OH⁻] = 10∧(-pOH).
[OH⁻] = 10⁻⁶ M; equilibrium concentration of hydroxide ions.