A somewhat antiquated method for preparing chlorine gas involves heating hydrochloric acid with pyrolusite (manganese dioxide), a common manganese ore. (Reaction given below.) How many kg of HCl react with 5.69 kg of manganese dioxide? HCl(aq) + MnO2(s) ® H2O(l) + MnCl2 (aq) + Cl2(g) (Equation must first be balanced.) Reaction type___________ Formula to solve____________ Balanced equation_______________ Solve______________________________   Answer______________

Q: CO3(aq) NiCl3(aq) -->

A: Equation

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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".