# What is the molar concentration of a 6.8*g mass of hydrogen peroxide, that is dissolved in a volume of 100*mL of water?

May 25, 2017

2 M

#### Explanation:

May 25, 2017

$\left[{H}_{2} {O}_{2}\right] \cong 2 \cdot m o l \cdot {L}^{-} 1. \ldots \ldots . .$
$\text{Molarity"="Moles of solute"/"Volume of solution}$
$= \frac{\frac{6.8 \cdot g}{34.01 \cdot g \cdot m o {l}^{-} 1}}{100 \cdot m L \times {10}^{-} 3 \cdot L \cdot m {L}^{-} 1}$
=??*mol*L^-1