Question: 40. A certain carbohydrate (a compound containing carbon plus hydrogen and oxygen in a 2:1 atom ratio) is 40.0% carbon. Calculate its empirical formula. 142.

40. A certain carbohydrate (a compound containing carbon plus hydrogen and
oxygen in a 2:1 atom ratio) is 40.0% carbon. Calculate its empirical
formula. 142. Calculate the number of hydrogen atoms in 42.7g of a

40. A certain carbohydrate (a compound containing carbon plus hydrogen and oxygen in a 2:1 atom ratio) is 40.0% carbon. Calculate its empirical formula. 142. Calculate the number of hydrogen atoms in 42.7g of a compound that contains 91.25% carbon and 8.75% hydrogen. 144. Calculate the number of hydrogen atoms in 12.8g of a compound whose percent composition is 15.88%H and 84.12%C

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