Chemistry

Problem

0.01M \text{KMnO}_4

solution was added to

20.0 \text{ mL}

0.05 M

Mohr's salt solution through a burette. The initial reading of

50 \text{ mL}

burette is zero. The volume of

\text{KMnO}_4

solution left in the burette after the end point is _____

\text{mL}

(Nearest integer).