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Calculations of Formula Mass
Determine the mass of each of the following compounds, rounding molar masses of elements to the gram before adding up the total. DO NOT USE A CALCULATOR!
CH
4
(methane) =
grams
C
2
H
6
(ethane) =
grams
C
3
H
8
(propane) =
grams
N
2
O
4
(dinitrogen tetroxide) =
grams
K
2
O (potassium oxide) =
grams
NaF (sodium fluoride) =
grams
MnO
2
(manganese(IV) oxide) =
grams
NH
4
OH (ammonium hydroxide) =
grams
CS
2
(carbon disulfide) =
grams
Ca(NO
3
)
2
(calcium nitrate) =
grams
C
6
H
12
O
6
(glucose) =
grams
CaBr
2
(Calcium bromide) =
grams
SiF
4
(silicon tetrafluoride) =
grams
Tm
2
O
3
(thulium(III) oxide) =
grams
UF
6
(uranium hexafluoride) =
grams
Ca
3
N
2
(calcium nitride) =
grams
(NH
4
)
2
CO
3
(ammonium carbonate) =
grams
Na
3
P (sodium phosphide) =
grams
FeSO
4
·7H
2
O (iron(II) sulfate heptahydrate) =
grams
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