A 12.0 wt% solution of CaCl2 (110.98 g/mol) has a density of 1.107 g/mL. What is the mass, in milligrams, of a 15.4 mL solution of 12.0 wt% CaCl2 in miligrams?  b.) What is the mass in grams of CaCl2 in 435.6 mL of a 12.0 wt% solution of CaCl2?  c.) What is the formal concentration of CaCl2 in molarity of the 435.6 mL solution of 12.0% CaCl2?

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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".