1. Describe/relate the size of the mole to an everyday object.
2. What is Avogadro’s Number?
3. How many marbles are in a mole of marbles?
4. How many mosquitoes are in a mole of mosquitoes?
WS 3.2 Molar Mass
Find the molar mass of the following compounds: Show work and include units
1. CO2
2.
3.
4.
5. Fe2O3
6.
7.
8.
9. AgCl
10.
11.
12.
13. Ca3(PO4)2
14.
15.
16.
17. W3(PO3)5
18.
19.
20.
21. Fe(C2H3O2)2
22.
23.
24.
25. Calcium Carbonate
26.
27.
28.
29. Lead IV Sulfate
30. Lead IV Sulfite
31.
32.
33.
34. Lead IV Sulfide
35.
36.
37.
38. Lead II sulfate
39.
40.
41.
42. Lead II Sulfite
43.
44.
45.
46. Lead II Sulfide
47.
48.
49.
50. Copper I Sulfide
51.
52.
53.
54. Copper II Sulfite …show more content…
55.
WS 3.3: Mole Conversions (one step)
56. Directions: Answer the following questions. Set-up all problems using the factor-label method of dimensional analysis and show all your work and units.
57.
1. How many atoms are in 1.5 moles of neon?
2. How many moles of SF6 are there in 4,595,000,000,000,000,000 molecules of SF6?
58.
59.
3. Calculate the number of moles in 5.45x1025 atoms of Zn
1. What is the mass of 7.50 moles of sulfur dioxide (SO2)?
2. How many moles are there in 250.0 grams of sodium phosphate (Na3PO4)?
3. How many grams of potassium sulfate (K2SO4) are there in 25.3 moles?
4. Calculate the number of grams in 3.25-mol of AgNO3
60.
5. What is the volume of 0.38 moles of any gas at STP?
61.
6. Calculate the number of moles in 32.2-L of NH3
7. What is the mass of 51 liters of oxygen gas?
62.
63. WS 3.4: Mole Conversions (two steps)
64. Directions: Answer the following questions. Set-up all problems using the factor-label method of dimensional analysis and show all your work and units.
65.
8. What volume would be occupied by 9.45 x 1024 molecules of CO2 gas at STP?
66.
67.
68.
69.
9. How many calcium atoms would be in a 100 gram sample of calcium metal?
70.
71.
72.
73.
10. How many grams are in 5.6 x 1023 atoms of Zinc?
74.
75.
76.
77.
11. Calculate the number of molecules in 4.56-g of Pb(NO3)2
78.
79.
80.
81.
12. Calculate the number of liters in 3.25-g of NH3
82.
83.
84.
85.
13. Calculate the number of liters in 5.43x1025 molecules of H2
86.
87.
88.
89.
14. Calculate the number of grams in 3.54-L of CO2
90.
91.
92.
93.
15. Calculate the number of grams in 9.7x1022 molecules of CH3CH2OH
94.
95.
96.
97.
98.
99.