Answer:
9.936x10^22 atoms of CH4
Explanation:
grams ----> mol
2.65 g CH4 if 1 mol of CH4 = 16.04 g CH4
2.65/16.04 = 0.165 mol of CH4
mol ------> atoms
1 mol = 6.022 x 10^23 atoms
0.165 mol x 6.022x10^23 = 9.936x10^22 atoms of CH4
