Period _________
This is a quiz—you may not get any help from anyone, or your book, homework, etc. You may use the “basic” periodic table I gave you and a calculator. Show all work where appropriate.
Write the correct formula for the compounds (1-5).
1. sodium oxide
2. calcium bromide
3. iron (II) nitrate
4. magnesium acetate
5. copper (I) phosphate
6. Calculate the number of molecules in 50 grams of copper (I) phosphate.
7. Calculate the formula weight of magnesium acetate.
8. If there are 24.6 gm of iron (II) nitrate, how many moles is this?
9. If there are 7.59 moles of calcium bromide, how many grams is this?
10. Balance the following equation:
__ C10H22 + __O2 à __ CO2 + __H2O