LMR Molar Mass Review B 2022
(show all work)
1.FIND THE MOLAR MASS OF
a) Na2S
Na 23.0 46.0
S 32.1 32.1
= 78.1 or 78 g
b) Li2SO4
Li 6.94 13.88
S 32.1 32.1
O 16.0 64.0
= 109.98 or 110.0 g
2.CALCULATE THE MOLAR MASS OF
a) ALUMINUM
CHLORIDE Al3+ + Cl-1 =
AlCl3
(show all work)
1.FIND THE MOLAR MASS OF
a) Na2S
Na 23.0 46.0
S 32.1 32.1
= 78.1 or 78 g
b) Li2SO4
Li 6.94 13.88
S 32.1 32.1
O 16.0 64.0
= 109.98 or 110.0 g
2.CALCULATE THE MOLAR MASS OF
a) ALUMINUM
CHLORIDE Al3+ + Cl-1 =
AlCl3
