Answer:
Pt 1. 39 moles of HNO3 will make 78 moles of water.
Pt 2. 10 moles of NaClO3 will produce 20 moles of NaCl.
Pt 3. 98 moles of O2 will require 49 moles of NaClO3.
Pt 4. 55 moles of HNO3 will make 110 moles of water.
Pt 5. 80 moles of HNO3 will make 160 moles of NO.
Pt 6. 8 moles of CuO will produce 16 moles of N2.
Pt 7. 87 moles of NH3 will make 261 moles of water.