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Worksheets10.1 and 10.2- Moles, Molar Mass, and Mole Relationships
Total questions: 11
Worksheet time: 3hrs 45mins
Calculate the number of moles in 1.75 x1024 formula units of NaCl.
1.05x1048 mol NaCl
2.91 mol NaCl
5.81 mol NaCl
2.10x1048 mol NaCl
Calculate the number of molecules in 2.35 moles of CO.
1.41x1024 molecules CO
3.90x10-24 molecules CO
7.80x10-24 molecules CO
2.82x1024 molecules CO
Calculate the number of atoms in .750 mol of Cu.
1.24x10-24 atoms Cu
2.49x10-24 atoms Cu
4.52x1023 atoms Cu
9.03x1023 atoms Cu
Calculate the number of atoms in 4.5 moles of HCl.
7.48x10-24 atoms HCl
7.07x1023 atoms HCl
1.41x1024 atoms HCl
5.42x1024 atoms HCl
The molar mass of water is 18.02 g/mol. How many moles is in 70.0 g of water?
3.88 mol
1261.4 mol
11.65 mol
1.29 mol
The density of a gas is 1.12 g/L. What is the molar mass of this gas?
22.18 g/mol
20.00 g/mol
.05 g/mol
25.09 g/mol
Calulate the volume of .70 moles of hydrogen gas (H2).
7.84 L
32.00 L
15.68 L
.03 L
Calculate the number of moles in 12.00 L of gas.
3.73 mol
1.87 mol
268.80 mol
.54 mol
The density of a gas is 1.75 g/L. What is the molar mass of the gas?
12.80 g/mol
25.60 g/mol
19.60 g/mol
39.20 g/mol
What is the volume of 3.75 moles of a gas?
84.00 L
5.97 L
42.00 L
22.40 L
How many moles are in 7.90 L of a gas?
.35 mol
.705 mol
88.48 mol
176.96 mol
