SCI-HS Stoichiometry Mole-Mole assignment

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1. Use the following equation to answer the next four questions

Potassium chlorate breaks down into potassium chloride and oxygen.

a) Write out the above equation in formulas

b) Balance the equation

c) Calculate how many moles of oxygen are produced from 6.00 moles of potassium chlorate.

d) How many moles of potassium chloride are formed from 17.4 moles of potassium chlorate>

2) Zinc reacts with hydrochloric acid to produce zinc chloride and hydrogen.

a) Write out the above equation in formula

b) balance the equation

c) Calculate the moles of hydrogen produced from 64.3 moles of hydrochloric acid

d) How many moles of zinc will produce 316 moles of zinc chloride?

3) Use the following equation to answer the questions. Make sure the equation is balanced before you do any calculations!!!!

K3PO4 + Al(NO3)3 –> KNO3 + AlPO4

a) How many moles of potassium nitrate are produced at the same time 4.4 moles of aluminum phosphate are produced?

b) How many moles of potassium phosphate are needed to produce 27.4 moles of aluminum phosphate?

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