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WorksheetsSTEM Chem U2 L5.1 Mole to Mole Problem Set
Total questions: 70
Worksheet time: 4hrs 38mins
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
Ethane (C2H6) combusts in the above reaction. What is the mole ratio of carbon dioxide to water?
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
New problem: If 16 moles of carbon dioxide are formed by this reaction, how many moles of water (H2O) were also produced?
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(a)
N2 + 3H2 --> 2NH3 How many moles of N2 is needed to react with 6 moles of H2?
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(a)
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
Ethane (C2H6) combusts in the above reaction. What is the mole ratio of ethane to oxygen gas?
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
A problem asks how many moles of oxygen gas are needed to react completely with 6 moles of ethane (C2H6). What is the second step in setting up the problem?
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
A problem asks how many moles of oxygen gas are needed to react completely with 6 moles of ethane (C2H6). What is the final answer for this problem?
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(a)
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
New problem: If 16 moles of carbon dioxide are formed by this reaction, how many moles of water were also produced?
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(a)
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
New problem: If 3.5 moles of oxygen gas are used up as ethane combusts completely, how many moles of carbon dioxide are produced?
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(a)
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
New problem: How many moles of ethane (C2H6) are required to produce 13.5 moles of water from the above reaction?
(a)
N2 + 3H2 → 2NH3 How many moles of hydrogen are needed to react with 2 moles of nitrogen?
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(a)
2H2 + O2 → 2H2O How many moles of water can be produced if 8 moles H2 are used?
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2 Mg + 1 Cl2 --> 2 MgCl
How many moles of Cl2 are required to produce 15 moles of MgCl?
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(a)
4NH3 + 5O2-->4NO + 6H2O What is the total number of moles of H2O produced when 12 mole of NH3 is completely consumed?
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(a)
N2 + 3H2 --> 2NH3
What is the total number of moles of NH3 produced when 10 moles of H2 reacts completely with N2?
Round to nearest tenth place (1st decimal place, X.X)
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(a)
N2 + 3H2 --> 2NH3
How many moles of N2 is needed to react with 6 moles of H2?
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(a)
2Na + S -->Na2S
What is the total number of moles of S that reacts when 4.0 moles of Na were completely consumed?
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(a)
4NH3 + 5O2-->4NO + 6H2O
What is the total number of moles of H2O produced when 12 mole of NH3 is completely consumed?
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(a)
Consider the equation CaCl2 + 2Na --> 2NaCl + Ca. How many moles of NaCl can be produced from 8 moles of CaCl2?
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(a)
Consider the equation: CaCl2 + 2Na --> 2NaCl + Ca
How many moles of NaCl can be produced from 5 moles of Na?
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(a)
Consider the equation 2Al(OH)3 --> Al2O3 + 3H2O
How many moles of Al(OH)3 are needed to produce 15 moles of H2O?
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(a)
Consider the equation 2Al(OH)3 --> Al2O3 + 3H2O
How many moles of Al2O3 must have been produced if 9 moles of water was produced?
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(a)
Carbon monoxide reacts with hydrogen according to the following equation:
8CO + 17H2 --> C8H18 + 8H2O
How many moles of hydrogen are needed to react with 0.84 moles of carbon monoxide?
Round to nearest hundredths place (two decimal places, X.XX)
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(a)
Carbon monoxide reacts with hydrogen according to the following equation:
8CO + 17H2 --> C8H18 + 8H2O
How many moles of water can be produced if 4.76 moles of hydrogen available to react?
Round to nearest hundredth place (X.XX)
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(a)
Using the following equation: Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron (Fe) can be made from 6 moles H2?
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(a)
Given the reaction: 4Al + 3O2 --> 2Al2O3
How many moles of Aluminum oxide can you produce if you have 2 moles of Al?
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(a)
N2 + 3H2 → 2NH3 How many moles of hydrogen are needed to react with 2 moles of nitrogen?
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(a)
2H2 + O2 → 2H2O How many moles of water can be produced if 8 moles H2 are used?
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(a)
Using the following equation: Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
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(a)
In the reaction 2 H2 + O2 → 2 H2O
what is the mole ratio (X:X) of oxygen to water?
1:2
2:1
3:4
4:3
2AgNO3 + Cu --> Cu(NO3)2 + 2Ag
How many moles of Cu is need to produce 8 moles of Ag?
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(a)
Using the following equation: Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l) How many moles of iron can be made from 3 moles of Fe2O3?
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(a)
2CO + O2 → 2CO2 How many moles of carbon dioxide are produced from 10 moles of carbon monoxide (CO)?
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(a)
N2 + 3H2 → 2NH3 How many moles of hydrogen are needed to react with 5 moles of nitrogen?
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(a)
4NH3 + 5O2 --> 4NO + 6H2O What is the total number of moles of H2O produced when 12 mole of NH3 is completely consumed?
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(a)
6CO2 + 6H2O --> C6H12O6 + 6O2 What is the total number of moles of water needed to make 2.5 moles of C6H12O6?
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(a)
Given the reaction: 4Al + 3O2 --> 2Al2O3
How many moles of Aluminum oxide, Al2O3, can you produce if you have 2 moles of Al?
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(a)
6CO2 + 6H2O --> C6H12O6 + 6O2
What is the total number of moles of water needed to make 2.5 moles of C6H12O6?
(a)
2AgNO3 + Cu --> Cu(NO3)2 + 2Ag
How many moles of copper is need to produce 8 moles of silver?
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(a)
H2 + Cl2--> 2HCl
What is the total number of moles of HCl produced when 3 moles of H2 is completely consumed?
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(a)
2Na + S --> Na2S What is the total number of moles of S that reacts when 4.0 moles of Na were completely consumed?
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(a)
4Al + 3O2 --> 2Al2O3
How many moles of Aluminum oxide can you produce if you have 2 moles of Al?
(a)
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
A problem asks how many moles of oxygen gas are needed to react completely with 6 moles of ethane (C2H6). What is the first step in setting up the problem?
2AgNO3 + Cu --> Cu(NO3)2 + 2Ag
How many moles of copper is need to produce 8 moles of silver?
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(a)
H2 + Cl2 --> 2HCl
What is the total number of moles of HCl produced when 3 moles of H2 is completely consumed?
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(a)
4NH3 + 5O2 --> 4NO + 6H2O What is the total number of moles of NO produced when 1 mole of O2 is completely consumed?
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(a)
6CO2 + 6H2O --> C6H12O6 + 6O2 What is the total number of moles of CO2 needed to make 2 moles of C6H12O6?
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(a)
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
Ethane (C2H6) combusts in the above reaction. What is the mole ratio of ethane to oxygen gas?
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
A problem asks how many moles of oxygen gas are needed to react completely with 6 moles of ethane (C2H6). What is the second step in setting up the problem?
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
A problem asks how many moles of oxygen gas are needed to react completely with 6 moles of ethane (C2H6). What is the final answer for this problem?
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(a)
2H2 + O2 → 2H2O
How many moles of H2O is produced when 8 moles of H2 reacts fully?
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(a)
S8 + 12 O2 → 8 SO3
How many moles of S8 is needed to produce 12 moles of SO3?
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(a)
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
How many moles of CO2 is produced when 3 moles of H2O is also produced?
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(a)
2 KClO3 → 2 KCl + 3 O2
How many moles of KCl is produced when 6.75 moles of O2 is also produced?
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(a)
S8 + 12 O2 → 8 SO3
How many moles of S8 is needed to react with 3 moles of O2?
Answer should be to the hundredths place (X.XX)
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(a)
N2 + 3H2 → 2NH3
How many moles of N2 is needed to produce 3.5 moles of NH3?
Answer should be to the hundredths place (X.XX)
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(a)
N2 + 3H2 → 2NH3 How many moles of hydrogen are needed to react with 5 moles of nitrogen?
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(a)
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l) How many moles of iron can be made from 6 moles H2?
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(a)
A balanced chemical equation tells us the relative amounts (unit mol) or the ratios of reactants and products.
In the balanced equation 2HgO → 2Hg + O2, what is the mole ratio of HgO to O2?
2 : 2
1 : 1
2 : 1
1 : 2
In the balanced equation 2Al2O3 → 4Al + 3O2, what is the mole ratio of aluminum to oxygen?
3 : 2
3 : 4
4 : 3
2 : 3
3Mg + Fe2O3 → 3MgO + 2Fe
What is the mole ratio of magnesium to iron?
3 : 2
2 : 3
1 : 2
3 : 1
2AgNO3 + Cu → Cu(NO3)2 + 2Ag
What is the mole ratio of silver nitrate to copper(II) nitrate?
2 : 2
1 : 1
1 : 2
2 : 1
2Na + S → Na2S
What is the ratio of Na2S to Na?
1:1
1:2
2:1
2:2
1 P4 + 3 O2 → 2 P2O3
What is the mole ratio of P4 to O2?
1:3
1:2
3:2
3:1
4NH3 + 5O2 → 4NO + 6H2O
What is the mole ratio of water to oxygen?
4/4
4/5
6/4
6/5
What is the mole ratio between Nitrogen and Ammonium in the above reaction?
What is the Ratio of moles of Mg to moles Fe?
4 Al + 3 O2 --> 2 Al2O3
What is the correct molar ratio of aluminum to aluminum oxide?
1 mol Al : 1 mol Al2O3
4 Al : 2 Al2O3
4 mol Al : 2 mol Al2O3
4 mol Al : 2 mol Al
What is the mole ratio of Mg to MgCl2?
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
2 mol Mg/ 1 mol MgCl2
1 mol Mg/ 2 mol MgCl2
1 mol Mg/ 1 mol MgCl2
2 mol Mg/ 2 mol MgCl2
