In a reaction, 1 mole of silver nitrate combines with 1 mole of sodium chloride. AgNO3 + NaCl  Which statement about the product is justified by the law of conservation of mass? There will be five atoms in the product. There will be two molecules in the product. There will be 1 mole of silver (Ag) in the product. There will be 2 moles of sodium (Na) in the product.

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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".