A chemical reaction is represented by:   CaO + n C ==> CaC2 + CO   Atomic weights of the elements are:   ElementAMUC12O16Ca40   What is the value of n to balance the equation?                              [ Select ]                          ["1", "2", "3", "4"]              What is the molecular weight of CaO?                              [ Select ]                          ["40", "52", "56", "64"]              What is the molecular weight of CaC2?                              [ Select ]                          ["28", "40", "52", "56", "64"]              How many grams of CaC2 will be produced from 14 g of CaO?                             [ Select ]                          ["10", "12", "13", "14", "16"]            g   How many grams of C will be needed for the 14 g of CaO?                             [ Select ]                          ["3", "6", "7", "9", "12"]

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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".