Problem 93P

A 10.0-mL sample of an unknown H3PO4 solution requires 112 mL of 0.100 M KOH to completely react with the H3PO4. What was the concentration of the unknown H3PO4 solution?

H3PO4 (aq) + 3 KOH(aq) → 3 H2O(l) + K3PO4(aq)

Problem 93P

A 10.0-mL sample of an unknown solution requires 112 mL of 0.100 M KOH to completely react with the . What was the concentration of the unknown solution?

Step by Step Solution

Step 1 of 3

Molarity of the solution can be calculated by the following formula;

...................(1)

Rearrange the formula (1) is as follows.

...................(2)