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Directions: Perform the indicated calculations to find the molar mass of the following
compounds. Item no. 1 serves as an example.
=
2. H2O
H X
0 X
1. BaCO3
Ba 1 x 137.34 = 137.34
C1 x 12.01 = 12.01
O 3 x 16.00 =+ 48.00
197.35
3. Ag2SO
4. NH4Cl
=
х
=
Ag
S
O
х
N
H
C1
х
X
х
5. NaOH
Na х
O
6. KMnO4
K_X
Mn_X
O
х
=
=
H
х
=+
7. MgCl2
Mg
Cl_X
х
=
8. Be(NO3)2
Be X_
N X =
O X = +
=+
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