1. 2 NH3 → N2 + 3 H2 If 2.8248 moles of H2 are produced, how many moles of NH3 were reacted?
2. CaCO3 → CaO + CO2
If 288.53 grams of CaCO3 are reacted, how many moles of CaO will be produced?
3. 2 KClO3 → 2 KCl + 3 O2
If 92.25 grams of KCl are produced, how many grams of O2 will also be produced?
4. 2 As + 6 NaOH → 2 Na3AsO3 + 3 H2
If 3.0482 moles of NaOH are reacted with 212.2 grams of As, how many moles of H2 will be produced?
5. Sn + 2 CuCl → SnCl2 + 2 Cu
If 2.1492 moles of CuCl are reacted with 355.58 grams of Sn, how many moles of SnCl2 will be produced?