A compound containing only carbon, hydrogen, and oxygen is analyzed using combustion analysis. When 86.9 g of the compound is burned, 159.2 g of carbon dioxide and 43.5 g of water are collected. How many mols of Carbon Dioxide produced? How many mols of Carbon? How many mols of Hydrogen in the compound? How many mols of Hydrogen in the water? Mass of Oxygen in in the original compound? Number of mols of oxygen in the original compound?

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Q: many molecules?

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Q: 2. How many moles of water are e produced when 3.5 moles of hydrogen reacts with oxygen?

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".