1. Mole Practice Questions
Ms. Samayoa
Chemistry
Birmingham community charter high school

2. How many particles in 2.00 moles of NaCl?
1.20 x 1024 particles

4. How many particles in 4.00 moles of MgO?
2.40 x 1024 particles

6. How many moles of MgO in 2.50 x 1025 particles of MgO?

8. How many moles are in a sample having 9.3541 x 1013 particles?
1.55 x moles

10. What is the molar mass of CO2?
44 g/mol

12. What is the molar mass of NaCl?
58.45 g/mol

14. What is the molar mass of Ca(OH)2?
74 g/mol

16. How many grams are there in 2.00 mol of H2O?
36 g of H2O

18. How many moles of NaOH are there in 6.60g of NaOH?
0.165 mol of NaOH

20. How many moles of Ca(OH)2 are there in 4.5g of Ca(OH)2?

22. How many moles of NaNO2 are there in 5.25 g of NaNO2?

24. How many particles of NaNO2 are there in 5.25 g of NaNO2?
4.58 x 1022 particles

26. How many moles of propane (C3H8) are there in 2.5g of propane?
0.580 moles of C3H8

28. How many particles of propane (C3H8) are there in 2.5g of propane?
3.49 x 1022 particles