Chemistry-1 Practicing the Mole - - Odd Problem Answer Key Page 1
Practicing the Mole - - Odd Problems Answer Key
Calculate the mass in grams of each of the following:
1. 5.00 moles of carbon 5. 4.00 moles of mercury
3. 10.5 moles of oxygen (O2) 7. 6.20 moles of magnesium
Calculate the number of moles of atoms in each of the following:
9. 8.00 x 102 g of calcium 13. 66.0 g of manganese
11. 565 g of bromine (Br2) 15. 8.00 x 103 g of sulfur (S8)
Calculate the number of atoms in each of the following:
17. 3.20 moles of magnesium 19. 8.10 moles of sodium
5.00 mol 12.01 g
1 mol
= 60.1 g C
4.00 mol 200.59 g
1 mol
= 802 g Hg
10.5 mol 32.00 g
1 mol
= 336 g O2
6.20 mol 24.31 g
1 mol
= 151 g Mg
800. g 1 mol
40.08 g
= 20.0 mol Ca
66.0 g 1 mol
54.94 g
= 1.20 mol Mn
565 g 1 mol
159.80 g
= 3.54 mol Br2
8,000. g 1 mol
256.48 g
= 31.2 mol S
3.20 mol 6.022 x 1023 atoms
1 mole
= 1.93 x 1024 atoms Mg
8.10 mol 6.022 x 1023 atoms
1 mole
= 4.88 x 1024 atoms Na
