Moles, moles, moles!!!

How many moles are in 63.45 g of zinc? Write answer using element symbol)

.9704 mol of Zn

How many atoms are in 0.00103 grams of cobalt? Write answer using element symbol)

1.05 x 10 19 atoms Co

How many atoms are in 2.5 mol of tungsten? (Write answer using element symbol)

1.5 x 10 24 atoms of W

What is the molar mass of oxygen?

16.00 g/mol

How many atoms are in 10.0 g of aluminum? Write answer using element symbol)

2.23 x 10 23 atoms Al

How many atoms of Hydrogen in 1 mole of Hydrogen? (write answer using element symbol)

6.02x 1023 atoms H

How many grams are in 3.49 x 10 22 atoms of antimony? Write answer using element symbol)

7.06 g Sb

How many moles are in 5.75 x 10 24 molecules of methane? Write answer using chemical formula)

9.55 mol CH4

How many grams are in 5.0 mol of gold? Write answer using element symbol)

980 g Au

What is this number called: 6.02 x 10 23

Avogadro's Number