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Introduction to Chemistry Midterm - Part 3 of 3!
SAMPLE
This is a sample practice set. In order to have a more personalized exam prep experience:
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6. Chemical Composition / Mass Percent / Problem 9
Problem 9

For the compound Na2CO3, calculate the mass percent of sodium. (Atomic masses: Na = 23 g/mol, C = 12 g/mol, O = 16 g/mol)