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Worksheets8AB Mole Calculations
Total questions: 14
Worksheet time: 38mins
What is the mass of 0.75 moles of (NH4)3PO4?
0.0044 g
91 g
110 g
74 g
How many molecules are present in 135 g of Teflon C2F4
6.13 x 1023 molecules
5.13 x 1023 molecules
8.13 x 10 23 molecules
9.13 x 1023 molecules
What is the molar mass of calcium hydroxide, Ca(OH)2?
74.1 g/mole
57.1 g/mole
58.1 g/mole
57.1 u
How many atoms are present in a 13.5 gram sample of beryllium?
1.5 particles
9 particles
4.03 x1023 particles
9.02 x1023 particles
A sample of silver contains 5.71 x 1022 atoms. How many moles of silver are present?
3.43 x 1046 moles
0.0529 moles
0.0948 moles
10.5 moles
How many atoms are present in a 0.0254 mole sample of gold?
0.25 atoms
1.528 x 1022 atoms
4.22 x 10-25 atoms
5 atoms
What is the molar mass of Zn(C2H3O2)2?
392.8g/mol
142.9g/mol
361g/mol
183.5 g/mol
Determine the mass of 2.40 moles of C6H12
201 g
115 g
230. g
353 g
What is the total mass, in grams, of a 0.75 mole sample of SO2?
16 g
24 g
32 g
48 g
How many molecules are present in a 135 g sample of Teflon, which has a formula of C2F4?
6.13 x 1023 molecules
5.13 x 1023 molecules
8.13 x 10 23 molecules
9.13 x 1023 molecules
How many moles of magnesium in a 20g strip?
0.81
0.82
0.83
0.84
What is the mass of one mole of sulphur?
10
12
32
44
