Molecular Mass
Balancing Equations
Grams/Moles Conversions
Limiting Reagents
Molarity
100

Find the mass of one mole of NaCl.

58.44 g/mol

100

Balance this equation: ___NH4NO3 → ___N2O + ___H2O

1;1;2

100

How many moles are in 35.8 g of AgNO3?

0.211 mol

100

Zn + S → ZnS

If 25.0 g of zinc and 30.0 g of sulfur are mixed, which is the limiting reagent?

Zinc is limiting

100

If 10.7 grams of NH4Cl is dissolved in enough water to make 800 mL of solution, what will be its molarity?

0.25 mol/L

200

Find the mass of one mole of NiSO3.

138.76 g/mol

200

Balance this equation: ___KClO3  → ___ KCl + ___ O2

2;2;3

200

How many moles are there in 30.0 g of KCl?

0.40 mol

200

3 AgNO3 + FeCl3 → 3 AgCl + Fe(NO3)3

If you have 25.0 g AgNO3 and 45.0 g of FeCl3, what is the limiting reagent?

AgNO3 is limiting

200

If 6.80 g of AgNO3 is dissolved in enough water to make 2.5 liters of solution, what will its molarity be?

0.016 mol/L

300

Find the mass of one mole of H2SO4.

98.1 g/mol

300

Balance this equation: ___ Ca + ___ AlCl3 → ___ CaCl2 + ___ Al

3;2;3;2

300

How many grams are in 2.5 moles of water? 

45 g 

300

C3H8  + 5 O2 → 3 CO2 + 4 H2O 

If you start with 14.8 g of C3H8 and 3.44 g O2, determine the limiting reagent.

O2 is limiting

300

How many moles of CaCl2 are required to prepare 2.00 L of 0.700 M CaCl2?

1.4 moles

400

Find the mass of one mole of CaC4H4O6.

188.2 g/mol

400

Balance this equation: ___ AgNO3 + ___BaCl2  →  ___ AgCl + ___Ba(NO3)2

2;1;2;1

400

N2 + 3 H2 → 2 NH3

How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen in the above reaction?

10.71 g H2

400

Al2(SO3)3 + 6 NaOH → 3 Na2SO3 + 2 Al(OH)3

If 10.0 g of Al2(SO3)3 is reacted with 10.0 g of NaOH determine the limiting reagent.

Al2(SO3)3 is limiting

400
How many grams of KNO3 will be required to prepare 800 mL of 1.40 M KNO3?

113 grams

500

Find the mass of one mole of Ca3(PO4)2.

310.18 g/mol

500

Balance this equation: ___ Al2O3 + ___ Fe → ___ Fe3O4 + ___ Al

4;9;3;8

500

2 AgNO3 + BaCl2 → 2 AgCl + Ba(NO3)2

How many grams of silver chloride are produced from 5.0 g of silver nitrate reacting with an excess of barium chloride?

4.2 g AgCl

500

4 Al2O3 + 9 Fe → 3 Fe3O4 + 8 Al

If 25.4 g of Al2O3 is reacted with 10.2 g of Fe, determine the limiting reagent.

Fe is limiting

500

Calculate the volume of a 1.25 M solution of HCN made from 31.0 g of HCN.

0.92 L

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