1. WHACK-A-MOLE 1 2 3 8 5 6 7 12 9 1011 16 13 141520 1718 19 4

2. 1 Which element has a molar mass of 30.974 g/mol? Students type their answers here

3. 2 Determine the number of moles of NH 4 1+ in 3 moles of (NH 4 ) 3 PO 4. Students type their answers here

4. 3 Calculate the number of molecules in 2.5 moles of sucrose C 12 H 22 O 11. Students type their answers here

5. 4 How many moles of atoms are in one mole of AlPO 4 ? Students type their answers here

6. 5 How many grams are in 1.946 moles of NaCl? Students type their answers here

7. 6 What is the formula for a compound that contains 64.75 g nitrogen and 185.25 g oxygen? Students type their answers here

8. 7 Which compound has a molar mass of 174.3 g/mol? a.K 2 SO 4 b.b. Al(NO 3 ) 3 c. MgCO 3 d. Ca(NO 3 ) 2 Students type their answers here

9. 8 Which is the correct molar mass for the compound FeSO 4 ? a.103.85 g/mol b.b. 151.91 g/mol c. 415.4 g/mol d. 247.85 g/mol Students type their answers here

10. 9 What is the mass of 8 moles of sodium chloride? Students type their answers here

11. 10 How many grams of phosphorus are in 500.0 grams of calcium phosphate? Students type their answers here

12. 11 Which is the correct molar mass for the compound CaBr 2 ? a.120 g/mol b.200 mol c. 240 grams d. 200 g/mol Students type their answers here

13. 12 How many formula units are in 3.6 grams of NaCl? Students type their answers here

14. 13 Show the correct dimensional analysis setup to convert 151 grams of dihydrogen monoxide to number of molecules, and find the final answer. Students type their answers here

15. 14 A sample of sodium fluoride has a mass of 100 g. a) How many moles of sodium fluoride are in this mass? b) How many fluoride ions are present? Students type their answers here

16. 15 Arrange the quantities from largest to smallest in terms of mass: 2.6 moles of N 7.31 x 10 25 molecules of Br, 222 g of Ca 1.2 moles of Ni Students type their answers here

17. 16 Identify and calculate the number of representative particles in each of the following quantities. a. 3.2 moles of silver b. 5.3 moles of calcium chloride

18. 17 Calculate the number of moles of atoms of each element in 6.78 moles of aspirin (C 9 H 8 O 4 ). Students type their answers here

19. 18 Acetaminophen, a common pain reliever, has the formula C 8 H 9 NO 2. Determine the number of molecules of acetaminophen in a 200 mg tablet.

20. 19 The atomic mass for krypton is 83.8 g. How many molecules are in 122 g?

21. 20 What is the molar mass of potassium sulfide? Students type their answers here