1. What mass of iron sulfide is formed from 112g of iron if
the equation is:
Fe + S --> FeS
2. What mass of sulfur dioxide is formed from 16g of sulfur if the equation is:
S + O2 --> SO2
3. What mass of copper can be made from 79.5g of copper oxide if the equation
is:
CuO + C --> Cu + CO
4. What mass of magnesium is needed to make 4g of magnesium oxide?
5. What mass of sulfur is needed to make 16g of sulfur dioxide?
6. What masses of iron and chlorine are needed if 162.5g of iron (III) chloride
is formed?
7. What mass of sodium reacts with 35.5g of chlorine to form sodium chloride?
8. What mass of hydrogen is formed when lithium reacts with 4g of water?
9. What amount of sodium hydroxide is formed if 6.9g of sodium reacts with
water?
10. 3.9g of potassium react with water to make hydrogen. This hydrogen
burns to make water. What mass of water is made if the equation is:
2H2 + O2 --> 2H20