Mole-Mole
Mole-Mass
Mass-Mole
Mass-Mass
Balancing Chemical Equations
100

N2 + 3H2  → 2NH3

How many moles of hydrogen, H2, are needed to react with 2.0 moles of nitrogen, N2?


6.0 moles of Hydrogen

100

Mg+2HCl --> MgCl2+ H2

How many grams of HCl are consumed by the reaction of 2.50 moles of Mg

180g of HCl

100

Sn(s)+2HF(g)→SnF2(s)+H2(g)

How many moles of hydrogen fluoride are required to react completely with 75.0g of tin?

1.26mol of HF

100

LiOH+HBr --> LiBr+H2O

If you start with 10.0 grams of LiOH, how many grams of LiBr will be produced?

36.25g LiBr

100

__ Cs + __ N2 -->__ Cs3N

6,1,2

200

Zn + 2HCl → ZnCl2 + H2

How many moles of hydrogen are produced from the reaction of 3.0 moles of zinc?

3.0 moles of Hydrogen

200

CaC2+2H2O --> C2H2+Ca(OH)2

If 3.20 moles of CaC2 are consumed in this reaction, how many grams of H2O are needed?

115.2g of H2O

200

2C2H2+5O2 --> 4CO2+2H2O

How many moles of water are produced when 25.0 grams of C2H2 burns completely?

0.96 mol H2O

200

Mg+2NaF --> MgF2+2Na

If you start with 5.5 grams of sodium fluoride, how many grams of magnesium fluoride will be produced?

4.06g MgF2

200

__ Na + __ O2 --> ___ Na2O

4,1,2

300

K3PO4 + Al(NO3)3 → 3KNO3 + AlPO4

How many moles of potassium nitrate are produced when 2.5 moles of potassium phosphate react?

7.5 moles of potassium nitrate


300

Mg+2HCl --> MgCl2+ H2

What is the mass in milligrams of H2 gas when 4.0 moles of HCl is added to the reaction?

4000 milligrams of hydrogen

300

NH4NO3 --> N2O+2H2O

How many moles of NH4NO3 are required to produce 33.0g N2O

0.75 mol NH4NO3

300

N2+3H2 --> 2NH3

How many grams of H2 are necessary to react completely with 50.0g of N2?

10.7g  H2

300

DAILY DOUBLE: Balance this chemical equation AND what type of reaction is this? 


___ C2H6 + ___ O2 --> ___ CO2 + ___ H2O

2,7,4,6


Combustion

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