Use the information below to answer the following two questions

A lab technician is asked to prepare a 500mL solution potassium hydroxide

solution with a pOH of 1.50 for use as a titrant in the titration of an acid.

Numerical Response:

7. Determine the concentration of hydroxide ions the solution and express it in the form

a.b x 10-mol/L. The values of a, b, and c respectively are 31 and 2

(Record your three-digit answer in the numerical response section on the answer sheet.)