WorksheetsQ6.7.4: Mole Conversion Quiz (Paper Version)
Total questions: 20
Worksheet time: 16mins
What is the molar mass of water (H 2 O)? (Atomic masses: H = 1 g/mol, O = 16 g/mol)
17 g/mol
18 g/mol
16 g/mol
20 g/mol
How many moles are there in 50 grams of NaCl? (Molar mass of NaCl = 58.5 g/mol)
0.85 moles
0.95 moles
1.2 moles
0.75 moles
Using dimensional analysis, convert 24 grams of carbon (C) to moles. (Atomic mass of C = 12 g/mol)
1 mole
2 moles
0.5 moles
3 moles
Calculate the molar mass of glucose (C 6 H 12 O 6 ). (Atomic masses: C = 12 g/mol, H = 1 g/mol, O = 16 g/mol)
180 g/mol
160 g/mol
176 g/mol
190 g/mol
If you have 3 moles of nitrogen gas (N 2 ), how many grams of nitrogen do you have? (Molar mass of N 2 = 28 g/mol)
84 g
56 g
24 g
76 g
What is the result of converting 200 grams of calcium carbonate (CaCO 3 ) to moles? (Molar mass of CaCO 3 = 100 g/mol)
1 mole
2 moles
0.5 moles
3 moles
Using dimensional analysis, how many grams are there in 0.2 moles of sulfuric acid (H 2 SO 4 )? (Molar mass of H 2 SO 4 = 98 g/mol)
19.6 g
20 g
18 g
16 g
Calculate the molar mass of magnesium chloride (MgCl 2 ). (Atomic masses: Mg = 24 g/mol, Cl = 35.5 g/mol)
95 g/mol
90 g/mol
85 g/mol
100 g/mol
How many moles are in 22 grams of argon (Ar)? (Molar mass of Ar = 40 g/mol)
0.45 moles
0.55 moles
0.65 moles
0.75 moles
Using dimensional analysis, convert 120 grams of potassium sulfate (K 2 SO 4 ) to moles. (Molar mass of K 2 SO 4 = 174 g/mol)
0.69 moles
0.59 moles
0.79 moles
0.89 moles
What is the molar mass of ammonium nitrate (NH 4 NO 3 )? (Atomic masses: N = 14 g/mol, H = 1 g/mol, O = 16 g/mol)
80 g/mol
70 g/mol
90 g/mol
60 g/mol
If you have 0.5 moles of iron (Fe), how many grams of iron do you have? (Molar mass of Fe = 56 g/mol)
28 g
18 g
38 g
48 g
Using dimensional analysis, how many grams are there in 2 moles of acetic acid (CH 3 COOH)? (Molar mass of CH 3 COOH = 60 g/mol)
120 g
100 g
140 g
160 g
Calculate the molar mass of sodium phosphate (Na 3 PO 4 ). (Atomic masses: Na = 23 g/mol, P = 31 g/mol, O = 16 g/mol)
164 g/mol
142 g/mol
158 g/mol
180 g/mol
How many moles are in 150 grams of aluminum sulfate (Al 2 (SO 4 ) 3 )? (Molar mass of Al 2 (SO 4 ) 3 = 342 g/mol)
0.44 moles
0.34 moles
0.54 moles
0.24 moles
Match the following...
You convert moles to grams by...
multiplying by the molar mass
You convert liters to moles by...
dividing by 22.4L
You convert moles to particles by...
multiplying my avagadro's constant
You convert grams to moles by...
dividing by the molar mass
You convert moles to liters by...
multiplying by 22.4L
At STP, 1 mol of gas has a volume of
34L
22.4L
60L
0.6L
Determine the volume, in liters, of 1.2 mole SO2 gas at STP.
13 L
26 L
6.5 L
How many molecules are in 2.5 mol of NaCl?
1.51x1023
146
4.15
1.51x1024
Determine the volume, in liters, of 1.2 mole SO2 gas at STP.
13 L
26 L
6.5 L
