Percentages: The most useful statistics ever invented

Use the percent composition to convert to mass. Then use molar mass to convert to number of moles. Finally, determine whole-number ratios based on the number of moles of each element per 100 grams of compound. Calculate. Step 2. Solve for the unknown. One hundred grams of compound has 67.6 g Hg, 10.8 g S, and 21.6 g O. ................
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