Molar Mass
Magnesium
24.3 g/mol
The mass of 0.35 moles of Ar.
14 grams
The number of atoms in 8.8 grams of Fe.
9.5 x 1022 atoms
The number of particles in 1 mole of any substance.
6.02 x 1023
CO
C: 42.9%
O: 57.1%
H2S
34 g/mol
This is the number of moles in 150. grams of KF.
2.58 moles
The mass of 1.054 x 1024 molecules of CO2.
77.03 g
The number of moles in 5.26 x 1024 atoms of Ag.
8.74 moles
H2O
H: 11%
O: 89%
N2
28 g/mol
The mass of 0.250 moles of CaCl2.
27.7 grams
The number of formula units in 88 grams of K2S.
4.8 x 1023
The number of formula units in 2.8 moles of (NH4)2S
1.7 x 1024
Fe2O3
Fe: 69.8%
O: 30.1%
Al2(C2O4)3
318 g/mol
The number of moles in 7.5 grams of Ca(OH)2
0.10 moles
The mass of 5.0 x 1023 molecules of F2
31.6 g
The number of formula units in 1.9 moles of NaCl.
1.1 x 1024
Ca(NO3)2
Molar Mass = 164 g/mol
Ca = 24.5% N = 17.1%
O = 58.5%
CuSO4
159.6 g/mol
Mass of one mole of water
18g
A copper penny weighs 3.1 g. How many copper atoms are in one penny.
2.9 x 1022 atoms
The number of molecules in 0.10 moles of H2SO4.
What is 6.02 x 1022 atoms?
Mass of sulfur in 75 grams of Al2(SO4)3. Molar mass Al2(SO4)3 =342.14 g/mol.
21.1 g S