Learning Task 1: Calculate the mass percent of each element in a compound. Write
your solution in a separate sheet of paper.
Calculate the percent by mass of each element in the following compounds:
1. Methane, CH4 (C = 12.01 g/mol; H = 1.008 g/mol)
2. Sodium Nitrate, NaNO3 (Na = 23.0 g/mol; N = 14.0 g/mol; O = 16.0 g/mol)
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Answer:
12+1×2 = 26 it's right answer
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