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WorksheetsMolexamination =)
Total questions: 20
Worksheet time: 25mins
What is relative molecular mass of HNO3 ?
60
63
62
36
What is relative molecular mass of Cu(NO3)2.3H2O ?
194
242
210
246
What is the molar mass of NO?
27 g/mol
15 g/mol
30 g/mol
14 g/mol
What is the molar mass of H2O ?
18 g/mol
16 g/mol
17 g/mol
20 g/mol
What is the difference between molar mass of molecule and relative molecular mass of molecule?
Relative molecular mass has No unit
Molar Mass has unit of g/mol
Molar mass has No unit
Relative molecular mass has unit of g/mol
What is the mass of 4 mole of Ca(NO3)2 ?
496 g
408 g
164 g
656 g
What is the mass of 2 moles of chlorine molecule?
71 g
142 g
35.5 g
17.8 g
What is mass of 2 moles of CuSO4.5H2O ?
500 g
250 g
125 g
62.5 g
Calculate the number of moles of H2SO4 in 147 g of H2SO4
0.5 mol
1 mol
1.5 mol
2 mol
Calculate the number of moles of Argon (Ar) in 10 g of Argon (Ar)
4 mol
0.458 mol
0.25 mol
0.917 mol
Calculate the volume of 1 mole of fluorine gas (molecule) at room temperature and pressure
12 dm3
24 dm3
36 dm3
14 dm3
Calculate the volume of 0.5 moles of chlorine gas (molecule) at room temperature and pressure
12 dm3
24 dm3
36 dm3
14 dm3
Calculate the volume of 0.5 moles of neon gas at room temperature and pressure
12 dm3
24 dm3
36 dm3
14 dm3
1 dm3 = ? cm3
1000
100
10
0.1
What is the number of moles of 600cm3 of CO2 ?
0.025 mol
25 mol
13.6 mol
0.0136 mol
What is the number of moles of 400cm3 of Br2 ?
0.0025 mol
2.5 mol
16.7 mol
0.0167 mol
Find the mass of chlorine molecule that occupied a volume of 72 dm3 at room temperature and pressure
35.5 g
71 g
106.5 g
213 g
Find the mass of oxygen molecule that occupied a volume of 12 cm3 at room temperature and pressure
0.009 g
9 g
0.016 g
16 g
Find the volume of argon gas that weighed 120 g at room temperature and pressure
96 dm3
48 dm3
24 dm3
72 dm3
Find the volume of oxygen gas (molecule) that weighed 100 g at room temperature and pressure
133 dm3
37.5 dm3
75 dm3
150 dm3
