Understanding Stoichiometry Concepts

Calculate the number of moles in 88 grams of carbon dioxide ( $$CO_2$$ ). (Molar mass of $$CO_2$$ = 44 g/mol)

Balance the following chemical equation: $$C_3H_8 + O_2 \rightarrow CO_2 + H_2O$$ .

If 4 moles of $$H_2$$ react with $$O_2$$ to form water, how many moles of $$H_2O$$ are produced? (Reaction: $$2H_2 + O_2 \rightarrow 2H_2O$$ )

Determine the stoichiometric coefficient of $$O_2$$ when the following equation is balanced: $$C_2H_4 + O_2 \rightarrow CO_2 + H_2O$$ .

How many grams of $$NaCl$$ are produced when 2 moles of $$Na$$ react with $$Cl_2$$ ? (Reaction: $$2Na + Cl_2 \rightarrow 2NaCl$$ , Molar mass of $$NaCl$$ = 58.5 g/mol)

What is the mole ratio of $$N_2$$ to $$NH_3$$ in the balanced equation: $$N_2 + 3H_2 \rightarrow 2NH_3$$ ?

In the reaction $$2KClO_3 \rightarrow 2KCl + 3O_2$$ , how many moles of $$O_2$$ are produced from 4 moles of $$KClO_3$$ ?

Balance the following chemical equation: $$Fe + O_2 \rightarrow Fe_2O_3$$ .

How many moles of $$CO_2$$ are produced when 5 moles of $$C_2H6$$ are burned in excess oxygen? (Reaction: $$2C_2H_6 + 7O_2 \rightarrow 4CO_2 + 6H_2O$$ )

Determine the stoichiometric coefficient of $$H_2O$$ when the following equation is balanced: $$C_3H_7OH + O_2 \rightarrow CO_2 + H_2O$$ .