4. Exactly 2 g of steel wool was placed in a 100 g glass jar. After 50 g of water was added to the jar, the lid was sealed tightly. One week later, the steel wool had turned completely to rust. What was the mass of the jar and its contents after 1 week? A. 50 g B. 52 g C. 150 g D. 152 gw bios

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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".