Question

Calculate the mass of 20.0 moles of He (in g)
5.00

1.20 X 1025

1.00

80.0

brainliest to correct answer

Answer 1

Explanation:

20.0 moles= 80.1 or 80.05g

5.00 moles= 20.0g

1.20×1025moles= 4923.2g

1.00 moles= 4.00g

80.0 moles= 320.2g