Chemistry: Matter and Change

Section 1: Measuring Matter

Self Check Quizzes

1
Determine the number of atoms in 3.54 mol S.

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A)1.70 x 1023
B)1.70 x 1024
C)2.13 x 1023
D)2.13 x 1024
2
How many particles are present in one mole of particles?
A)6.02 x 1023
B)3.0 x 108
C)1
D)12
3
If each image represents one mole of the substance pictured, which contains the greatest amount of substance?

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A)molecules
B)atoms
C)formula units
D)none; all amounts are the same
4
The sucrose molecule is a large and complex molecule built of carbon, hydrogen, and oxygen. How many sucrose molecules in 0.5 moles of sucrose?

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A)6.02 x 1023
B)1.20 x 1024
C)3.01 x 1023
D)1.20 x 1023
5
Which of the following counting units would be appropriate for counting sheets of paper sold at a store?
A)dozen
B)ream
C)mole
D)pair
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