Mole to Mole Ratio

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Exercise

(A) A 3.0 mol sample of KClO₃ was decomposed according to the equation 2KClO₃(s) ---> 2KCl(s) + 3O₂(g)

How many moles of O₂ are formed assuming a 100% yield?

(B) An excess of Al and 6.0 mol of Br₂ are reacted according to the equation 2Al + 3Br₂ --> 2AlBr₃

How many moles of AlBr₃ will be formed assuming 100% yield?

(C) For the reaction C₂H₄(g) + 3O₂(g) --> 2CO₂(g) + 2H₂O(g) if 6.0 mol of CO₂ are produced, how many

moles of O₂ were reacted?

(D) For the reaction 4NH₃(g) + 7O₂(g) ---> 4NO₂(g) + 6H₂O(g) how many moles of ammonia will be required

to produce 10.0 mol of water?

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