Which statement is true?
The Mole Quizizz

Quiz
•
Science, Chemistry
•
10th - 11th Grade
•
Medium

Anonymous Anonymous
Used 22+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mole ratio of iron to oxygen in the compound Fe2O3?
2:2
2:3
3:3
1:1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
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