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.