You are making an alloy of tantalum (Ta) with an atomic weight of 180.94788 g/mole and magnesium (Mg) with an atomic weight of 24.3050 g/mole. You mix and melt 25.5 gms of tantalum and 81.5 grams of magnesium. Calculate the atomic percent of tantalum. 24

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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".