Balancing
Mole Ratio
Moles A to Moles B
Grams A to Grams B
Limiting/Excess Reactant
100

What are the coefficients needed to balance this chemical equation?

__Na + __Cl2 ---> __NaCl

2, 1, 2

100

What is the mole ratio between NaCl and MgCl2?

1MgBr2 + 2NaCl ---> 1MgCl2 + 2NaBr

2:1

100

In the chemical equation:

2NaF + 1Ca ---> 1CaF2 + 2Na

If you have 7 moles of NaF, how many moles of CaF2 do you have?

3.5 moles CaF2

100

In the chemical equation:

1H2 + 1O2 ----> 1H2O2

If you have 35 grams of H2, how many grams of H2O2 will you have?

595g H2O2

100

You want to make pasta salad. Recipe is as follows:

10 Ragu noodles + 4 black olives ---> 1 pasta salad serving

If you have a box of Ragu noodles (150 noodles), 3 cans of black olives (45 olives). Which ingredient is your limiting reactant?

Black Olives 

200

What are the correct coefficients needed to balance this chemical equation?

__HF + __CaBr2 ----> __HBr + __CaF2

2, 1, 2, 1

200

What is the mole ratio between H2 and O2?

__H2 + __O2 ---> __H2O

2:1

200

In the chemical equation:

__NaCl + __H2 ---> __HCl + __Na

If you have 8.5 moles of H2, how many moles of HCl will you have?

17 moles HCl

200

In the chemical equation:

__NH3 + __Ag ---> __AgN + __H2

If you have 154 grams of NH3, how many grams of H2 will you make?

27.2g H2

200

3NaF + 1Al ---> 1AlF3 + 3Na

If you have 4.5 moles of NaF, how many moles of AlF3 would you make? 

If you have 2.3 moles of Al, how many moles of AlF3 would you make?

Which reactant is your limiting reactant?

1.5 moles AlF3

2.3 moles AlF3

NaF

300

__AlCl+ __Na3N ---> __AlN + __NaCl

1, 1, 1, 3

300

What is the mole ratio between HgBr2 and AlBr3?

__AlF3 + __HgBr2 ---> __HgF2 + __AlBr3

3:2

300

In the chemical equation:

__AlCl3 + __Br2 ---> __AlBr3 + __Cl2

If you have 9 moles of Br2, how many moles of AlBr3 would you have?

6 moles AlBr3​​​​
300

In the chemical equation:

__NaO + __Cl2 ---> __NaCl + __O2

If you have 45 grams of Cl2, how many grams of NaCl will you have?

74.6 grams NaCl

300
In this chemical equation:

__CaBr2 + __AlN --->__Ca3N2 + __AlBr3

If you have 5 moles of CaBr2, how many moles of Ca3N2 will you make?

If you have 5 moles of AlN, how many moles of Ca3N2 will you make?

Which reactant is your excess reactant?

1.7 moles Ca3N2

2.5 moles Ca3N2

AlN

400

What are the correct coefficients needed to balance this chemical equation?

__MgCl2 + __Na3B ---> __Mg3B2 + __NaCl

3, 2, 1, 6

400

What is the mole ratio between HCl and H2?

__HCl + __Al ---> __AlCl3 + __H2

6:3

400

In the chemical equation:

__C2H8 + __O2 ---> __CO2 + __H2O

If you have 3 moles of C2H8, how many moles of H2O would you have?

12 moles H2O

400

In the chemical equation:

__CH4 + __Cl2 ---> __CCl4 + __HCl

If you have 25 grams of Cl2, how many grams of CCl4 will you make?

13.6g CCl4

400

In the chemical equation:

2Na + 1Cl2 ---> 2NaCl

If you have 46 grams of Na, how many grams of NaCl will you make?

If you have 80 grams of Cl2, how many grams of NaCl will you make?

Which reactant is your excess reactant?

116g NaCl

132.6g NaCl

Cl2

500

What are the correct coefficients needed to balance this chemical equation?

__NaO + __N2 ----> __Na3N + __O2

6, 1, 2, 3

500

What is the mole ratio between O2 and H2O?

__C3H8 + __O2 ---> __H2O + __CO2

5:4

500

In the chemical equation:

__C6H10O + __O2 ---> __CO2 + __H2O

If you have 10 moles of O2, how many moles of CO2 will you have?

7.5 moles CO2

500
In the chemical equation:


__P2O3 + __H2O ---> __H3PO3

If you have 57 grams of H2O, how many grams of H3PO3 will you make?

173.1g H3PO3

500

In the chemical equation:

__AgN + __O---> __AgNO3

If you have 524 grams of AgN, how many grams of AgNO3 would you make?

If you have 322 grams of O2, how many grams of AgNO3 would you make?

Which reactant is your limiting reactant?

730.2g AgNO3

1,140.4g AgNO3

AgN