How many molecules are in 3.5 g of sulfur dioxide

Question

Ann Mcfarland

Chemistry

13 February, 00:43

How many molecules are in 3.5 g of sulfur dioxide

+4

Answers (2)

Know the Answer?

Terrance Gonzales · Answer 1

Terrance Gonzales 13 February, 00:59

0

6.02*10^23 molecules

Jamison Mccarty · Answer 2

Turn the grams of sulfur dioxide into moles:

3.5 g • 1 mol/64.07 g SO2 = 0.05463 mol

Then multiply it by 6.02 • 10^23:

0.05463 mol • 6.02 • 10^23 = 3.289 • 10^22 molecules

3.3 • 10^22 molecules