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A sample of H2SO4 contains 2.02 g of hydrogen, 32.07 g of sulfur, and 64.00 g of oxygen. How many grams of sulfur and grams of oxygen are present in a second sample of H2SO4 containing 7.27 g of hydrogen?
We’re being asked what would be the amount of sulfur and oxygen in a sample of H2SO4. Based on the Law of Definite Proportions, all samples of a compound, no matter on their origin or preparation has the same ratio in terms of their elements.
H2SO4 Sample 1: H2SO4 Sample 2:
H 2.02 g H 7.27 g H
S 32.07 g S ?
O 64.00 g O ?