Ammonium perchlorate NH

4

ClO

4

 is a powerful solid rocket fuel, used in the Space Shuttle boosters. It decomposes into nitrogen N

2

 gas, chlorine Cl

2

 gas, oxygen O

2

 gas and water vapor, releasing a great deal of energy. Calculate the moles of ammonium perchlorate needed to produce 0.070

mol

 of nitrogen. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.