Worksheets1.3 Limiting and Excess
Total questions: 10
Worksheet time: 30mins
Name
Class
Date
1.
Zn + 2HCI → ZnCI2 + H2. If 0.3 mol Zn and 0.52 mol HCI added, which is limiting?
a)
Zn
b)
HCI
c)
ZnCI2
d)
None of the above
2.
Zn + 2HCI → ZnCI2 + H2. 0.3 mol Zn added (limiting), how many mol of H2 produced?
a)
0.3 mol
b)
0.6 mol
c)
1 mol
d)
None of the above
3.
1Pb(NO3)2+ 2NaI→ 1PbI2 + 2NaNO3. If 0.2 mol of Pb(NO3)2 and 0.6 mol NaI add, which is limiting?
a)
NaI
b)
Pb(NO3)2
c)
Pb(NO3)2 and NaI
d)
None of the above
4.
1Pb(NO3)2 + 2NaI→1PbI2 + 2NaNO3. 0.2 mol of Pb(NO3)2 added (limiting), how many mol of NaNO3 produced?
a)
0.2 mol
b)
2 mol
c)
0.4 mol
d)
0.1 mol
5.
Mg + 2HCI → MgCI2 + H2. If 0.02 mol Mg and 0.03 mol HCI added, which is in excess?
a)
Mg
b)
HCI
c)
H2
d)
MgCI2
6.
Mg + 2HCI → MgCI2 + H2. If 0.02 mol Mg is added, how many mol of HCI needed to react with it?
a)
0.02
b)
4
c)
0.04
d)
None of the above
7.
Mg + 2HCI → MgCI2 + H2. If 0.02 mol HCI is added (limiting), how many mol of MgCI2 produced?
a)
0.02
b)
2
c)
0.01
d)
1
8.
2NaOH + H2SO4 →Na2SO4 + H2O. If 0.02 mol NaOH and 0.025 mol H2SO4 added, which is limiting?
a)
H2SO4
b)
NaOH
c)
Na2SO4
d)
H2O
9.
2NaOH + H2SO4 → Na2SO4 + H2O. If 0.020 mol NaOH and 0.025 mol H2SO4 added, which is excess?
a)
H2SO4
b)
NaOH
c)
Na2SO4
d)
H2O
10.
2NaOH + H2SO4 → Na2SO4 + H2O. If 0.025 mol NaOH added and H2SO4 is in excess, how much H2O produced?
a)
0.025
b)
0.0125
c)
0.050
d)
1
100 %
