W 4/15 and Th 4/16

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
Start a new warm ups page: Mole and Stoichiometry

Warm up #1 (put the date!!)
1.
strontium nitrate
2.
carbon dioxide
a.
Formula
a.
Formula
b.
Ionic/covalent
b.
Ionic/covalent
c.
Soluble/insoluble
c.
Soluble/insoluble (think about it…..)
d.
Molar mass
d.
Molar mass
F 4/17 and M 4/20

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
Warm up #2 (put the date!!)
1.
Copper (II) acetate
a.
Ionic/covalent
b.
Formula
c.
Soluble/insoluble
d.
Molar mass
e.
If you have 159.64 grams of copper (II) acetate, how many
moles is that?
T/W 4/21 or 4/22

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
Warm up #3 (put the date!!)
1.
What is the molar mass of kryptonite. The formula
is LiNaSiB3O7(OH).
2.
If superman were holding 500 grams of kryptonite, how many
moles is he holding?
Th/F 4/23 or 4/24

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
Warm up #4 (put the date!!)
1.
What is the molar mass of calcium phosphide?
2.
Tommy’s water gun only holds 20 moles of water. How many
grams of water does he need to fill his water gun?
3.
How many moles equal 122. 45 grams of NaCl?
M/T 4/27 or 4/28

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
Warm up #5 (put the date!!)
1.
Copy, balance then use below when needed:
C2H6 + O2  CO2 + H2O
2.
What is the molar mass of ethane (C2H6)?
3.
How many moles of carbon dioxide are needed to completely
react with 0.56 moles of ethane in the above reaction?
4.
How many grams of water would be produced if you started
the reaction with 6.2 grams of ethane?
W/Th 4/29 or 4/30

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
Warm up #6 (put the date!!)
1.
Copy, balance then use below when needed:
Na + KNO3  K2O + Na2O + N2
2.
How many grams of nitrogen would be produced if 45.8 g of
sodium reacts completely?
3.
How many moles of Na2O will be produced if 4.6 moles of
KNO3 react completely?
4.
What mass of potassium nitrate is needed to produce 6.8
moles of potassium oxide?
F/M 5/1 or 5/4

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
Warm up #7 (put the date!!)
1.
Copy, balance then use below when needed:
5F2 + 2NH3  N2F4 + 6HF
2.
35.76 of ammonia will result in the formation of how many
grams of tetrafluorohydrazine?
3.
If 56.93 grams of fluorine gas are reacted completely, what
mass of tetrafluorohydrazinewill be created?
Work fast to get here!!!!