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Chapter 11 - Heat and Thermodynamics - 19
1.
1 mole of carbon contains 6.022 x 10
23
?
a) atoms
b) ions
c) formula units
d) molecules
2.
One mole of water contains 6.022 x 10
23
?
a) formula units
b) atoms
c) molecules
d) ions
3.
One mole of hydrogen contains 6.022 x 10
23
?
a) molecules
b) ions
c) formula units
d) atoms
4.
Atomic mass of an element expressed in grams is known as?
a) gram formula mass
b) none of these
c) gram atomic mass
d) gram molecular mass
5.
What is the mass of 1 mole of C-atoms?
a) 36 g
b) 6 g
c) 12 g
d) 24 g
6.
What is the mass of 2 moles of Na-atoms?
a) 23 g
b) 12 g
c) 46 g
d) 69 g
7.
What is the mass of one mole of water molecule?
a) 6.022 g
b) 18.016 g
c) 14.016 g
d) 32.016 g
8.
What is the mass of one mole of a glucose molecule?
a) 100.096 g
b) 168.096 g
c) 6.022 g
d) 180.096 g
9.
Molecular mass of a substance expressed in grams is known as?
a) gram formula mass
b) none of these
c) gram molecular mass
d) gram atomic mass
10.
What is the molecular mass of H
2
O?
a) 6.022 amu
b) 18.016 g
c) 12.016 g
d) 18.016 amu
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