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Moles. Created by: Alexis Telepo 3 rd period Mrs. Grose. 1. Convert 200.0g 0f germanium to moles. A. 2.753 mol Ge. B. 2.754 mol Ge. C. 2.755 mol Ge. D. 2.75 mol Ge. Incorrect. Correct. 2. What is the formula weight of (NH 4 ) 2 SO 4 ?. A. 132.2 amu. B. 132.17 g/mol. C. - PowerPoint PPT Presentation
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Moles
Created by: Alexis Telepo3rd period Mrs. Grose
1. Convert 200.0g 0f germanium to moles.
A 2.753 mol Ge
B 2.754 mol Ge
C
D
2.755 mol Ge
2.75 mol Ge
Incorrect
Correct
2. What is the formula weight of (NH4)2SO4?
A
C
B
D 132.17 amu
132.2 amu
132.17 g/mol
132.17 g
Incorrect
Correct
3. How many grams of hydroiodic acid are there in 0.434 moles?
A
B
C
D
55.5 g
55.6 g
55.4 g
127.91 g
Incorrect
Correct
4. How many total atoms are there in 1 formula unit of Sn(NO3)4?
A
B
C
D 17 atoms
16 atoms
14 atoms
15 atoms
Incorrect
Correct
5. Convert 67.083 moles of potassium premanganate to grams.
A
B
C
D
10602 g
10601.7 g
10601 g
10601.8 g
Incorrect
Correct
6. How many atoms are there in 2.41 moles of CCl4?
A
B
C
D
7.26 x 10 atoms
247.25 x 10 atoms
7.25 x 10 atoms
7.25 x 10 atoms
24
25
23
Incorrect
Correct
7. Convert 25.0 moles of Lithium Sulfite to particles.
A
B
C
D
1.51 x 10 formula units25
1.51 x 10 formula units
1.51 x 10 formula units
1.51 x 10 formula units
24
23
26
Incorrect
Correct
8. What is the molecular weight of CH3(CH2)6CH2OCOCH3?
A
B
C
D
172.30 amu
172.3 g/mol
172.30 g/mol
172.3 amu
Incorrect
Correct
9. Convert 0.058 mol Silver (I) Chloride to grams.
A
B
C
D 8.3 g
143.32 g
8.2 g
8.4 g
Incorrect
Correct
10. Convert 9.00 x 10 atoms of Uranium to grams.
18
A
B
C
D
.00356 g
.00355 g
.00357 g
.0035 g
Incorrect
Correct
11. Convert 100.00g of Strontium Chromate to particles.
A
B
C
D 2.9565 x 10 f.u.
2.9565 x 10 molecules
2.9565 x 10 g/mol
2.9565 x 10 g
23
23
23
23
Incorrect
Correct
12. Convert 62.431g of Ammonium Acetate to moles
A
C
B
D
0.80974 mol NH4C2H3O2
0.80973 mol NH4C2H3O2
0.80974g NH4C2H3O2
0.80975 mol NH4C2H3O2
Incorrect
Correct
13. Convert 1.0020 mol Boron Tribromide to grams.
A
B
C
D
251.01g
251.02g
251.00g
251.01
Incorrect
Correct
14. Convert 1.920 x 10 atoms of lead to grams. 21
A
B
C
D
0.6608g
0.6607g
0.661g
0.660g
Incorrect
Correct
15. Convert 250.00g of beryllium arsenide to particles.
A
B
C
D
8.5091 x 10
8.5091 x 10 f.u.
8.5091 x 10 g
8.5091 x 10 g/mol23
23
23
23
Incorrect
Correct
16. Convert 0.3465 mol of mercury to grams.
A
B
C
D
69.51 g
69.50 g
69.49 g
69.5 g
Incorrect
Correct
17. Convert 3.010 x 10 f.u. of copper (II) sulfate decahydrate to moles.
A
B
C
D
0.5000 mol CuSO4 10H2O
23
0.5 mol CuSO4 10H2O
0.50 mol CuSO4 10H2O
0.500 mol CuSO4 10H2O
Incorrect
Correct
18. Convert 0.00512g of magnesium to moles.
A
B
C
D
0.0000211 mol Mg
0.000211 mol Mg
0.00211 mol Mg
0.0211 mol Mg
Incorrect
Correct
19. Convert 75.0g of aluminum chloride to moles.
A
B
C
D 0.563 mol AlCl3
0.564 mol AlCl3
0.563 mol AlCl
0.562 mol AlCl3
Incorrect
Correct
20. Convert 5.32 x 10 f.u. of calcium chlorate to grams.
20
A
B
D
C 0.183g
0.184g
0.18g
0.182g
Incorrect
Correct