Mole Ratios Question Preview (ID: 29881)


This Will Assess Students Understanding Of Mole Ratios And How They Relate To Scaling Up (or Down) A Balanced Equation. TEACHERS: click here for quick copy question ID numbers.

How many moles of hydrogen will be produced from 0.86 moles of zinc? Zn (s) + 2 HCl (aq) yields ZnCl2 (aq) + H2 (g)
a) 0.86 moles HCl
b) 0.43 moles H2
c) 1.72 moles H2
d) 0.86 moles H2

How many moles of zinc will react with 12 moles of HCl? Zn (s) + 2 HCl (aq) yields ZnCl2 (aq) + H2 (g)
a) 6 moles ZnCl2
b) 24 moles zn
c) 6 moles Zn
d) 12 moles ZnCl2

How many moles of nitrogen are required to make 7.2 moles of ammonia? N2 (g) + 3 H2 (g) yields 2 NH3 (g)
a) 3.62 moles N2
b) 14.48 moles N2
c) 3.62 moles NH3
d) 14.48 moles NH3

How many moles of ammonia are produced from 0.60 moles of nitrogen? N2 (g) + 3 H2 (g) yields 2 NH3 (g)
a) 1.2 moles NH3
b) 0.3 moles NH3
c) 1.2 moles H2
d) 0.3 moles N2

What is the mole ratio of zinc to hydrogen gas? Zn (s) + 2 HCl (aq) yields ZnCl2 (aq) + H2 (g)
a) 1 moles Zn/ 2 mole HCl
b) 1 moles Zn/ 1 mole ZnCl2
c) 1 mole H2/ 1 mole Zn
d) 1 mole Zn/ 1 mole H2

What is the mole ratio of oxygen gas to carbon dioxide gas? C3H8 (l) + 5 O2 (g) yields 3 CO2 (g) + 4 H2O (g)
a) 5 mole O2/ 1 moles C3H8
b) 3 mole CO2/ 5 mole O2
c) 5 mole O2/ 3 mole CO2
d) 5 mole O2/ 4 mole H2O

What is the mole ratio of nitrogen to ammonia? N2 (g) + 3 H2 (g) yields 2 NH3 (g)
a) 1 moles N2/ 3 moles H2
b) 1 moles N2/ 2 moles NH3
c) 2 moles NH3/ 1 mole N2
d) 3 moles H2/ 2 moles NH3

How many moles of oxygen are required to react with 5.250 moles of propane? C3H8 (l) + 5 O2 (g) yields 3 CO2 (g) + 4 H2O (g)
a) 7.875 moles CO2
b) 13.13 moles of O2
c) 10.50 moles H2O
d) 2.100 moles O2

How many moles of water are produced when 1.50 moles of propane react with excess oxygen? C3H8 (l) + 5 O2 (g) yields 3 CO2 (g) + 4 H2O (g)
a) 6 moles H2O
b) 7.5 moles O2
c) 4.5 moles CO2
d) 2.7 moles H2O

How many moles of propane are required to react with 0.250 moles of oxygen? C3H8 (l) + 5 O2 (g) yields 3 CO2 (g) + 4 H2O (g)
a) 0.06 moles C3H8
b) 0.02 moles C3H8
c) 1.25 moles C3H8
d) 0.05 moles C3H8

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