WorksheetsStoichiometry Review 1
Total questions: 10
Worksheet time: 20mins
In the equation 2 Al2O3 → 4 Al + 3 O2, what is the mole ratio of aluminum to oxygen?
2:4
3:4
4:3
2:3
What is the mole ratio of H2O to H3PO4 in the following chemical equation?
P4O10 + 6 H2O → 4 H3PO4
6:4
4:6
1:4
1:6
N2 + 3H2 → 2NH3
How many moles of NH3 are produced when 10 moles of H2 reacts completely with N2?
6.667 moles
15.0 moles
3.667 moles
10.0 moles
For the following reaction, how many moles of copper is need to produce 8 moles of silver?
2AgNO3 + Cu → Cu(NO3)2 + 2Ag
16 moles
2 moles
4 moles
8 moles
2 NaClO3 → 2NaCl + 3 O2
12.00 moles of NaClO3 will produce how many grams of O2?
255.984 g of O2
575.964 g of O2
287.652 g O2
Using the following equation:
4NH3 + 5O2 → 4NO + 6H2O
How many moles of H2O will be produced by 56.8 grams of NH3?
5.002 mol H2O
2.223 mol H2O
1451.041 mol H2O
644.907 mol H2O
B2H6 + 3O2 → 2 HBO2 + 2 H2O
What mass (g) of O2 will be needed to burn 36 moles of B2H6?
3.375 g O2
883.976 g O2
3455.784 g O2
Given the equation:
2NaClO3 → 2NaCl + 3O2
2.00 moles of NaClO3 will produce how many grams of O2?
42.664 g of O2
95.994 g of O2
47.997 g O2
21.332 g O2
What is the mass of CH4
16.04
13.01
14.027
16.02
3NH4NO3 + Na3PO4 → (NH4)3PO4 + 3NaNO3
If you react 30 g of NH4NO3 and 50 g of Na3PO4, what is the limiting reactant?
(NH4)3PO4
Na3PO4
NH4NO3
NaNO3
