Question

Calculate the mass of 5.45 ✕ 1025 molecules of F2. Use a molar mass with at least as many significant figures as the data given.

Answer 1

it is 3 sig figs here

Answer 2

find the molar mass of F2 which is 38.0 g

Answer 3

Change molecules to moles. Moles to mass using molar mass.

Answer 4

Remember 1 mole is 6.02 x 10^23 molecules.

Answer 5

Good luck :)