WorksheetsThe Mole Quizizz
Total questions: 10
Worksheet time: 42mins
Which statement is true?
To convert from particles to moles, you use the molecular mass of the substance as a conversion factor.
To convert from particles to moles, you use Avogadro's number as a conversion factor.
To convert from moles to mass, you use Avogadro's number as a conversion factor.
It is impossible to convert from particles to moles, or from moles to mass.
How many atoms of sulfur are in a sample of sulfur with a mass of 25 grams?
1.2 x 1022 atoms S
4.825 x 1025 atoms S
4.69 x 1023 atoms S
1.33 x 1025 atoms S
What is the mole ratio of iron to oxygen in the compound Fe2O3?
2:2
2:3
3:3
1:1
How many moles of aluminum are in 4.5 moles of Al3PO4?
13.5 mol Al
4.5 mol Al
18 mol Al
1.5 mol Al
What is the mass of 3.5 moles of NaCl?
0.60 g NaCl
58.443 g NaCl
16.7 g NaCl
204.55 g NaCl
What is the mass of a sample of CaBr2 that has 8.33 x 1023 atoms?
10023 g CaBr2
276.6 g CaBr2
0.250 g CaBr2
144 g CaBr2
How many moles of Fe3(PO4)2 are in a sample with a mass of 700.0 grams?
1.96 mol Fe3(PO4)2
0.511 mol Fe3(PO4)2
6.81 mol Fe3(PO4)2
2.50 x 105 mol Fe3(PO4)2
How many grams of chlorine are in 2.5 moles of MgCl2?
88.6 g Cl
44.3 g Cl
7.1 g Cl
177.25 g Cl
What is the molecular mass of Cu(NO3)2?
93.56 g/mol
251.12 g/mol
187.57 g/mol
375.14 g/mol
How many potassium ions are in 200 grams of K2SO4?
1.38 x 1024 ions K
6.91 x 1023 ions K
3.81 x 1022 ions K
2.29 ions K
