WorksheetsStoichiometry Test Review Part 2
Total questions: 15
Worksheet time: 2hrs 46mins
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
2Na + 2H2O → 2NaOH+ H2
Assuming H2O is in excess, how many grams of hydrogen can be produced with 120 g of Na?
5.2 g
2.6 g
690 g
45 g
I need to add 8 moles of Carbon to the reaction. How many grams of Carbon should I weigh?
Identify the limiting reactant when 6.00 g HCl combines with 5.00 g Mg to form MgCl2.
Mg + 2HCl --> MgCl2 + H2
Mg
H2
MgCl2
HCl
In the experiment above, 7.62 g of Fe are allowed to react with 8.67 g of S.
How much FeS is formed?
LiOH + KCl → LiCl + KOH
I actually produced 6 grams of lithium chloride and I began this reaction with 20 grams of lithium hydroxide. What is my percent yield?
16.9%
5.91%
1.88%
12.3%
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
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
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
2Fe2O3 + C → Fe + 3CO2
You add 28 grams of carbon. You find the actual yield to be 181.2 grams of CO2. What is the percent yield of CO2? (Hint: calculate theoretical yield of CO2 first)
58.83%
308%
6435%
15.5
How many grams of NO are formed if 6.30g of ammonia react with 1.80g of oxygen?
12.00 moles of NaClO3 will produce how many grams of O2?
How many liters of carbon dioxide are produced from 10L of carbon monoxide?
