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Mass Percent
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Mass Percent
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6. Chemical Composition / Mass Percent / Problem 4
Problem 4
For the compound Na
2
CO
3
, calculate the mass percent of sodium. (Atomic masses: Na = 23 g/mol, C = 12 g/mol, O = 16 g/mol)
A
43.4%
B
21.7%
C
30.4%
D
53.0%
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