WorksheetsStoichiometry Review
Total questions: 20
Worksheet time: 2hrs 40mins
Given the equation:
2NaClO3 (s) → 2NaCl (s) + 3O2 (g)
When 2.00 moles of NaClO3 react, how many grams of O2 is produced?
56 g of O2
96 g of O2
64 g O2
32 g O2
___KNO3 → ___KNO2 + ___O2
What coefficients are needed to balance the reaction?
2, 2, 1
2, 3, 2
1, 2, 2
1, 3, 1
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
2 NaClO3 (s) → 2NaCl (s) +3 O2 (g)
How many grams of O2 will be produced from 12.00 moles of NaClO3?
256 g of O2
576 g of O2
288 g O2
32 g O2
2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?
5.27 g
2.6 g
690 g
45 g
2H2 + O2 → 2H2O
How many grams of H2O can be produced from 3.91 g of O2?
1.905
4.4
2.2
1.1
2Al + 3H2SO4 → Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
0.85 g
290 g
450 g
870 g
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
In the equation 2Al2O3 → 4Al + 3O2, what is the mole ratio of aluminum to oxygen?
10:6
3:4
4:3
2:3
2KClO3 → 2KCl + 3O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
6.7 mol
1.0 mol
10.1 mol
4.5 mol
How many grams of hydrogen are produced if 120 g of Na are available?
CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?
13.7 mol
2.75 mol
6.11 mol
6.85 mol
What is the mole ratio of H2O to H3PO4 in the following chemical equation? P4O10 + 6 H2O → 4 H3PO4
6:4
4:6
1:3
3:1
2Al + 3H2SO4 → Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
0.85 g
290 g
450 g
870 g
How many formula units are in 2.5 mol of NaCl?
1.51x1023
146
4.15
1.51x1024
Mg(s) + 2 HCl(aq) → MgCl₂(aq) + H₂(g)
How many moles of HCl are consumed in the production of 7.5 moles of MgCl₂?
3.8 moles
15 moles
7.5 moles
23 moles
