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WorksheetsMols
Total questions: 15
Worksheet time: 25mins
A baker needs 6 g of baking soda for a recipe. The chemical formula for baking soda is NaHCO3. How many moles of baking soda is needed?
0.071 mol
0.167 mol
0.273 mol
0.214 mol
How many moles are in 1459 grams of Na?
63.46 moles
60.36 moles
10 moles
1 mole
What is the molar mass of Al2S3?
150.17 g/mol
59.05 g/mol
138.23 g/mol
75.27 g/mol
How many grams are in 0.523 mol of AlPO4?
63.78 g
38.68 g
47.23 g
55.43 g
How many moles are in 100 g of carbon dioxide, CO2?
2.27 mol
2.36 mol
3.51 mol
1.49 mol
Which of the following statements regarding the mole is INCORRECT?
A mole is a unit of quantity equal to 6.02 x 1023 particles.
The number of particles in a mole is known as Avogadro’s number.
A mole of particles of an element is numerically equal to the atomic mass of the element.
none of the above
What is the molar mass of PbSO4?
303.27 g/mol
255.27 g/mol
163.87 g/mol
372.27 g/mol
Shivani measures out 6.0 moles of epsom salt (MgSO4) to put in her bath. How many grams of MgSO4 went in the bath?
3.6 x 1024 g
720 g
0.050 g
340 g
Determine the mass of 4.20 moles of C6H12
353 g
0.0499 g
337 g
2.53 x 1024 g
Calculate the number of atoms in 0.0340 g Zn.
5.20 x 10-4 atoms Zn
3.13 x 1023 atoms Zn
3.13 x 1020 atoms Zn
2.05 x 1022 atoms Zn
How many grams are in 1.2 moles of neon?
0.059 grams
7.2 x 1023 grams
2.0 x 10-24 grams
24 grams
How many moles are in 98.3 grams of aluminum hydroxide, Al(OH)3?
1.26 moles
0.8 moles
7,670 moles
1.63 x 10-22 moles
The mass of one mole of an element is equal to
its atomic number from the periodic table, but in amus.
its atomic mass from the periodic table, but in amus.
its atomic mass from the periodic table, but in grams.
its atomic number from the periodic table, but in grams.
