UO2 HF UF4 H2O

1

• UO2 HF ? UF4 H2O

2

• Al O2 ? Al2O3

3

• MgO Fe ? Fe2O3 Mg

4

• An ingredient is many baking recipes is baking
  soda, NaHCO3, which decomposes when heated to
  produce CO2 and H2O. How many grams of CO2 are
  produced per gram of NaHCO3?
• 2 NaHCO3 ? Na2CO3 CO2 H2O

5

• Cisplatin, Pt(NH3)2Cl2, a drug used to treat
  cancer. can be made by the reaction of K2PtCl4
  and with ammonia, NH3. How many grams of each
  reactant are needed to produce 2.50 g of
  cisplatin?
• K2PtCl4 NH3 ? Pt(NH3)2Cl2 KCl

6

• Iron reacts with oxygen to give iron(III) oxide.
  If an ordinary nail has a mass of 5.58 g, what
  mass in grams of Fe2O3 would be produced if the
  nail is converted completely to the oxide?