Question

Calculate moles of hydrogen in 1.3 mol CH4

Answer 1

1) Hydrogen to CH4 ratio

4 atoms of H: 1 molecule of CH4

2) Convert moles of CH4 to moles of H

`molH=1.3molCH_4\cdot\frac{4molH_{}}{1molCH_4}=5.2molH_{}`

There are 5.2 mol H in 1.3 mol CH4.