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WorksheetsMolar Ratio Independent Practice
Total questions: 13
Worksheet time: 33mins
Bornite, Cu3FeS3, is a copper ore used in the production of copper. When heated, the following reaction occurs:
2 Cu3FeS3(s) + 7 O2(g) --> 6 Cu(s) + 2 FeO(s) + 6 SO2(g)
What is the mole ratio of iron (II) oxide to sulfur dioxide?
2:7
2:6
6:2
7:2
Bornite, Cu3FeS3, is a copper ore used in the production of copper. When heated, the following reaction occurs:
2 Cu3FeS3(s) + 7 O2(g) --> 6 Cu(s) + 2 FeO(s) + 6 SO2(g)
If 450 moles of bornite are reacted, determine the number of moles of copper produced.
750 mol bornite
1350 mol bornite
1525 mol bornite
150 mol bornite
How many moles of hydrogen gas are needed to react completely with 2.0 moles of nitrogen gas?
3 H2(g) + N2(g) --> 2NH3(g)
What is the mole ratio of hydrogen gas to nitrogen gas?
1:3
3:1
1:2
2:1
How many moles of hydrogen gas are needed to react completely with 2.0 moles of nitrogen gas?
3 H2(g) + N2(g) --> 2NH3(g)
3 mol H2
6 mol H2
2 mol H2
4.5 mol H2
What are the coefficients if this following equation was balanced?
_?_ Al + _?_ O2 --> _?_ Al2O3
2, 3, 1
3, 2, 1
1, 2, 3
4, 3, 2
How many moles of aluminum are required to react with 5.09 moles of oxygen?
4Al + 3O2 --> 2Al2O3
5.09 mol Al
7.52 mol Al
6.79 mol Al
15.62 mol Al
What are the coefficients if the following equation was balanced?
_?_ C4H10 + _?_ O2 --> _?_ CO2 + _?_ H2O
2, 5, 6, 2
2, 13, 8, 10
2, 7, 4, 10
In a lighter, butane is combusted according to the following equation.
2C4H10 + 13O2 --> 8CO2 + 10H2O
How many moles of carbon dioxide are produced if 9.08 moles of water are produced?
6.79 mol CO2
4.25 mol CO2
7.26 mol CO2
10.82 mol CO2
What would be the coefficients if the following equation was balanced?
_?_ AlCl3(aq) + _?_Na2CO3(aq) --> _?_Al2(CO3)3(s) + _?_NaCl(aq)
2, 13, 8, 10
2, 3, 2, 3
2, 3, 1, 3
2, 3, 1, 6
Consider the following reaction,
2AlCl3(aq) + 3Na2CO3(aq) --> Al2(CO3)3(s) + 6NaCl(aq)
What is the precipitate?
AlCl3(aq)
Na2CO3(aq)
Al2(CO3)3(s)
NaCl(aq)
Consider the following reaction,
2AlCl3(aq) + 3Na2CO3(aq) --> Al2(CO3)3(s) + 6NaCl(aq)
If you react 8.01 moles of aluminum chloride, how many moles of the precipitate will form?
Round to the nearest whole number.
(a) mol Al2(CO3)3
Over the years, the thermite reaction has been used for welding railroads and igniting solid rocket motors.
Iron(III) Oxide + Aluminum --> Iron + Aluminum Oxide
If 0.054 moles of iron(III) oxide react, how many moles of iron would be produced? Round your answer to the nearest hundredth.
(a)
Given the reaction below,
Phosphorus + Bromine --> Phosphorus Tribromide
Determine the number of moles of phosphorus tribromide that would be produced if 5.4 moles of phosphorus reacted. Round your answer to the nearest tenth.
(a)
