# How many moles of HCl are present in 0.70 L of a 0.33 M HCl solution?

Jan 29, 2016

Approx. $0.23$ $m o l$

#### Explanation:

$\text{Concentration}$ $=$ $\left(\text{amount of substance (moles)")/("volume of solution (L)}\right)$

Thus $\text{amount of substance}$

$=$ $\text{Concentration"xx"volume of solution}$

$=$ $0.33 \cdot m o l \cdot \cancel{{L}^{-} 1} \times 0.70 \cdot \cancel{L}$ $=$ $0.231$ $m o l$ $H C l$