Mole to Mole
Mole to Mass
Mass to Mole
Mass to Mass
100

2 KClO3 → 2 KCl + 3 O2

How many moles of oxygen are produced by the decomposition of 6.0 moles of potassium chlorate (KCLO3)?

9.0 moles of O2

100

CaC2 + 2 H2O → C2H2 + Ca(OH)2

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

115.2 g of H2O

100

Mg + 2 NaF → MgF2 + 2 Na

If you start with 16 grams of magnesium (Mg), how many moles of sodium (Na) will be produced?

1.3 moles of sodium (Na)

100

LiOH + HBr → LiBr + H2O

If you start with 10 grams of lithium hydroxide (LiOH), how many grams of lithium bromide (LiBr) will be produced?

36.3 g of lithium bromide (LiBr)

200

C3H8 + 3 O2 → 3 CO2 + 4 H2

How many moles of oxygen are necessary to react completely with 4.0 moles of propane (C3H8)?

12 moles of O2

200

Mg + 2 HCl → MgCl2 + H2

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

183 g of HCl

200

2 Al + 3 Cl2 → 2 AlCl3

If 17 grams of Aluminum react, how many moles of aluminum chloride (AlCl3) will be produced?

0.63 moles of aluminum chloride (AlCl3)

200

B2H6 + 3 O2 → 2 HBO2 + 2 H2O

What mass of O2 will be needed to burn 36.1 g of B2H6?

125 g of O2

300

C2H4 + 3 O2 → 2 CO2 + 2 H2O

If you start with 1.5 moles of O2, how many moles of CO2 will be produced?

1 mole of CO2

300

2 HgO → 2 Hg + O2

How many moles of HgO will be used to produce 7.4 grams of Hg?

0.037 moles of HgO

300

3 Mg + Fe2O3 → 2 Fe + 3 MgO

How many moles of iron, Fe, are produced with the reaction of 25.0 grams of magnesium, Mg?

0.686 moles of iron (Fe)

300

C2H4 + 3 O2 → 2 CO2 + 2 H2O

If you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced?

141.16 g of CO2

400

2 C4H10 + 13 O2 → 8 CO2 + 10 H2O

How many moles of butane (C4H10) are needed to react completely with 5.5 moles of oxygen?

0.85 moles of butane (C4H10)

400

2 C4H10 + 13 O2 → 8 CO2 + 10 H2O

How many grams of carbon dioxide will be produced if 3.5 moles of O2 react?

94.8 g of carbon dioxide (CO2)

400

4 NH3 + 3 O2  → 2 N2 + 6 H2O

How many moles of nitrogen gas will be produced if 12.6 g of ammonia (NH3) react?

0.370 moles of nitrogen (N2)

400

N2 + 3 H2 → 2 NH3

How many grams of hydrogen are necessary to react completely with 50.0 grams of nitrogen?

10.7 g of hydrogen (H2)