Question

how many moles are there in 18g of H2?

Answer 1

Hey!!

Molar mass (H2) = 2×1

= 2 g/mole

Given mass= 18g

Therefore,

$moles \ = \frac{given \: mass}{molr \: mass}$

$Moles\ = \frac{18}{2}$

Moles= 9

#BE BRAINLY