WorksheetsLimiting Reactant
Total questions: 5
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
What is a limiting reactant?
a)
the reactant that determines how much product can be made
b)
the reactant that is in excess
c)
the product that you can make the most of
d)
the amount of reactants that react with each other
2.
You need 2 pieces of bread, 1 tablespoon of peanut butter and 2 tablespoons of jelly to make a sandwich. If you have 10 pieces of bread, 4 tablespoons of peanut butter and 20 tablespoons of jelly, what is the limiting reactant?
a)
bread
b)
jelly
c)
peanut butter
d)
sandwich
3.
When 12 moles of O2 reacts with 1.1 mole of C10H8 what is the limiting reactant? C10H8 + 12 O2 --> 10 CO2 + 4 H2O
a)
Oxygen
b)
C10H8
c)
Water
d)
Carbon Dioxide
4.
When 384g of oxygen reacts with 140.8g of C10H8 what is the limiting reactant? How much water is produced C10H8 + 12 O2 --> 10 CO2 + 4 H2O
a)
C10H8 Limiting; 792g H2O
b)
O2 Limiting; 128g H2O
c)
C10H8 Limiting; 44g H2O
d)
O2 Limiting; 72g H2O
5.
Phosphorus (P) and liquid bromine (BR2) react vigorously together to form phosphorus tribromide. If 5.0 g of phosphorus and 35 g of bromine react, how many grams of PBr3 could be produced?
a)
5 g PBr3
b)
79.0 g PBr3
c)
0.146 g PBr3
d)
39 g PBr3
100 %
