1) Which is the correct definition for Stoichiometry? a) Stoichiometry is the study of quantitative relationships between the amounts of reactants used and amounts of products formed by a chemical reaction. b) Stoichiometry is the calculation of relative mass of moles and atoms in chemical reactions. c) Stoichiometry is greek for Roentgenium. d) I have to admit, I don't know the answer. e) Stoichiometry is the simplest whole number ratio of atoms present in a compound. f) Stoichiometry is the natural whole number ratio of atoms present in a compound.  2) How many moles of O2 will be formed from 1.65 moles of KClO3? Chemical equation : 2KClO3  -->  2KCl + 3O2 a) 1 mol b) 2.48 mol c) 1.77 mol d) 69 mol e) 1.26 mol f) 3.55 mol 3) How many moles of KClO3 are needed to make 3.50 moles of KCl? Chemical equation : 2KClO3  -->  2KCl + 3O2 a) 2 mol b) 5.23 mol c) 4 mol d) 1.44 mol e) 2.98 mol f) 3.50 mol 4) How many moles of KCl will be formed from 2.73 moles of KClO3? Chemical equation : 2KClO3 -->  2KCl + 3O2 a) 20 mol b) 3.22 mol c) 1.10 mol d) 2.73 mol e) 5 mol f) 1 mol 5) How many moles of Fe2O3 are produced when 0.275 moles of Fe are reacted? Chemical equation : 4Fe + 3O2 -->  2Fe2O3 a) 1.42 mol b) 0.967 mol c) 1 mol d) 2.23 mol e) 0.138 mol f) 0.222 mol

Stoichiometry Quiz - G10 ADV

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