pure R-11 (CCl3​F)

Question

If an air conditioning compressor contains 7.20 g of pure R-11 (CCl3​F), how many moles of R-11 are in the compressor?

Options:

0.0524

3.19 X 10^22

989

19.1

8.70 X 10^-26

0.0595

0.143

8.59 X 10^22

Answer 1

molar mass of CCl3F = 137.37 g

7.20 g x 1 mole/137.37 g = 0.0524 moles