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Video Note-Taking Questions:
Moles
Video Note-Taking Questions
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Video Note-Taking Questions
Directions:
Answer the following questions after watching and taking notes on the videos “Moles, Grams, Avogadro I” and “Moles, Grams, Avogadro II.”
1.
According to the video, what is a particle?
2.
How many atoms are in 5.5 moles of atoms?
3.
How many moles is 4.6 x 10
24
Sulfur atoms?
4.
How many molecules are in 0.63 moles of molecules?
5.
How many moles are in 3.9 x 10
20
Magnesium atoms?
6.
Calculate the number of atoms in 10.0 g of sulfur.
7.
Convert 1.11
´
10
25
atoms of iron into moles.
8.
A sample of
tin
contains 3.68
´
10
23
atoms. The mass of the sample is
a.
N/A
e.
3.01 g.
b.
0.500
f.
5.00 x 10
45
c.
0.00421 g.
g.
59.3 g.
d.
72.5 g.
h.
11 g.
9.
The mass of 5.000 mol of
cesium
is
a.
664.5 g.
e.
N/A
b.
5.000 g.
f.
6.022
´
10
23
g.
c.
132.9 g.
g.
0.03762 g.
d.
3.011
´
10
24
g.
10.
Convert 50,150. mg of
mercury
into moles?
a.
0.1001 mol
d.
0.4000 mol
b.
0.2500 mol
e.
N/A
c.
10,060 mol
f.
0.1504 mol
11.
Convert 5.000 moles of
aluminum
into grams.
a.
30.76 g
d.
134.9 g
b.
0.0352 g
e.
N/A
c.
0.1853 g
f.
128.5 g
12.
Convert 2.0 mol of
oxygen gas
molecules into grams
a.
32 g.
e.
16 g.
b.
64 g.
f.
48 g.
c.
NA
g.
36 g.
d.
8 g.
h.
0.125 g.