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General Chemistry – Unit 8 Worksheet 2
Mass to Mole to Particle Conversions
Find the molar mass of each of the following compounds. Show work,
significant figures and units for credit.
1. Sulfur dioxide
2. Iron (II) hydroxide
3. Nitric acid
4. Selenium tetrafluoride
5. Nickel bicarbonate
Convert the following problems from grams to moles or from moles to
grams. Show work, significant figures and units for credit.
6. 3.32 mol K
7. 4.904 g of aluminum nitrate
8. 1.872 mol of copper II acetate
9. 0.0112 mol of K2CO3
Modeling Chemistry
1
U8 gen ws2
10. 80.92 g HBr
Find the number of moles, atoms or molecules in each of the following.
Show work, significant figures and units for credit.
11. 3.50 x 1022 atoms Ca
12. 8.45 x 1022 molecules of sulfur trioxide
13. 3.15 mol NH4NO3
14. 0.00255 mol Ti
15. 1.0 x 109 molecules of O2
Modeling Chemistry
2
U8 gen ws2