Question

how many moles of ch4 are in 64.2 g ch4? 64.2 g ch4 1 mol ch4 16.05 g ch4 ? moles ch4

Explanation:

Step1: Calculate the number of moles

$$\frac{64.2\ \text{g}\ \ce{CH4}}{16.05\ \text{g/mol}} = 4.00\ \text{mol}$$

Answer:

$4.00$ moles $\ce{CH4}$