How do I solve for the percentage of each substance in the mixture?  What I know:  Weight of starting mixture: 53.91g   weight of NaI in the mixture: 0.92g   weight of NH4Cl in mixture:1.31g Weight of NaCl in mixture0.3g  weight of sand in the mixture: 0.64g

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Q: Mass of sample (g ) 1.94g Mass of empty crucible (g)  84.248g Crucible and sample after heating…

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Q: Complete

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Q: H2 O2

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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".