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WorksheetsStoichiometry: Part 1
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
Calculate the molar mass of Mg(OH)2.
a)
33.2 g/mol
b)
41.3 g/mol
c)
86.9 g/mol
d)
58.3 g/mol
2.
How many moles are in 98.3 g of Aluminum Hydroxide?
a)
2.14 mol
b)
1.26 mol
c)
6.63 mol
d)
5.9 mol
3.
How many grams are in 3.3 mol of Potassium Sulfide?
a)
360 g
b)
454 g
c)
238 g
d)
132 g
4.
How many molecules are there in 24.0 g of FeF3?
a)
2.68 x 1024 molecules
b)
3.29 x 1023 molecules
c)
1.28 x 1023 molecules
d)
1.76 x 1021 molecules
5.
How many Hydrogen atoms are in 1.00 mol of CuNH4Cl3?
a)
1.89 x 1022 atoms
b)
2.41 x 1024 atoms
c)
2.78 x 1024 atoms
d)
3.51 x 1022 atoms
6.
How many grams of Hydrogen are there in 25 moles of water?
a)
25 g
b)
450 g
c)
18 g
d)
50 g
7.
How many atoms of O are there in 50 molecules of CO2?
a)
100 atoms O
b)
6.84 x 1023 atoms O
c)
2.6 x 1025 atoms O
d)
1.2 x 1024 atoms O
8.
How many Carbon atoms are in a 10.0 g sample of CO2?
a)
1.37 x 1023 atoms C
b)
2.74 x 1023 atoms C
c)
6.02 x 1023 atoms C
d)
1.20 x 1025 atoms C
9.
Finish the lyrics to the Sunday night football song: "I've been waiting all day for Sunday Night / _____________________________.
a)
Hey Jack it's a fact, the best show in town
b)
The last one standing gets to turn out the lights
c)
The tough get rough in a primetime fight
d)
Sunday Night Football we ain't messing around
10.
What does NASA stand for?
a)
National American Space Association
b)
National Aerospace and Science Association
c)
National Astronomy and Space Administration
d)
National Aeronautics and Space Administration
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