1. 2KCIO>2KCI + 30₂
If 500 g of KCIO, decomposes and produces 303 g of KCI,
how many grams of O₂ are produced?
2. N₂ + 3H₂ >2NH3
How many grams of H₂ are needed to react with 100 g of N₂
to produce 121 g of NH,?
3. 4Fe + 30₂>2Fe₂O3
How many grams of oxygen are needed to react with 350 g
of iron to produce 500 g of Fe₂O₂?
4. CH₁ + 20₂>CO₂ + 2H₂O
16 g of CH, react with 64 g of O₂, producing 44 g of CO₂.
How many grams of water are produced?
2'
5. CaCO3>CaO + CO,
How much CO, is produced from the decomposition of
200 g of CaCO, if 112 g of CaO are produced?