# How many moles are contained in 22.23 g KBr?

Apr 16, 2016

Approx. $0.20$ $m o l$.

#### Explanation:

$\text{No. of moles}$ $=$ $\text{Mass"/"Molar Mass}$ $=$ $\frac{22.23 \cdot \cancel{g}}{119.00 \cdot \cancel{g} \cdot m o {l}^{-} 1}$ $=$ ??*mol.

A long time ago I was told that if you owned a champion greyhound, and you did not want him to run as well as he might in a big race, then you dose the brute with bromide ion. Clearly this advice was unethical and illegal.