Chemistry Reference
In-Depth Information
10.11
How many moles of NaBr will be produced by the fol-
lowing reaction in each case?
(c)
2 A
3 B
→
C
2 D
Present initially
1.50 mol
4.00 mol
0.00 mol
0.00 mol
2 Na(s)
Br
2
(
/
) £ 2 NaBr(s)
Change due
to reaction
_____
_____
_____
_____
(a) 1 mol Na and 0 mol Br
2
(b) 2 mol Na and 1 mol Br
2
(c) 3 mol Na and 1 mol Br
2
10.12 Consider the following reaction:
Present finally
_____
_____
_____
_____
(d)
A
2 B
→
C
2 D
Present initially
0.750 mol
1.25 mol
0.00 mol
0.10 mol
Change due
to reaction
Ba(OH)
2
(aq)
2 HNO
3
(aq) £
_____
_____
_____
_____
Ba(NO
3
)
2
(aq)
2 H
2
O(
/
)
Present finally
_____
_____
_____
_____
(a) How many moles of
Ba(NO
3
)
2
can be made with
10.15 For the reaction
2.50 mol of
(b) How many moles of can be made with
2.50 mol of and 1.10 mol of
(c) How many moles of can be made with
2.50 mol of and 2.00 mol of
10.13
Complete the “Change due to reaction” line for each of
the following reactions:
(a)
HNO
3
?
Zn
2 AgNO
3
£ Zn(NO
3
)
2
2 Ag
Ba(NO
3
)
2
HNO
3
Ba(OH)
2
?
calculate the number of moles of products as well as the
number of moles of excess reagent after the following
pairs of reagents are combined:
(a)
(b)
(c)
(d)
10.16
Explain why limiting quantities problems do not usually
involve decomposition reactions.
10.17
Consider three different experiments involving the reac-
tion of nitrogen and hydrogen:
Ba(NO
3
)
2
HNO
3
Ba(OH)
2
?
0.400 mol Zn
0.400 mol AgNO
3
0.400 mol Zn
1.000 mol AgNO
3
A
2 B
→
C
2 D
0.800 mol Zn
2.000 mol AgNO
3
Change due
to reaction
0.900 mol Zn
1.800 mol AgNO
3
1.00 mol
_____
_____
_____
(b)
A
2 B
→
C
3 D
Change due
to reaction
_____
2.00 mol
_____
_____
(c)
2 A
3 B
→
C
2 D
N
2
3 H
2
£ 2 NH
3
Change due
to reaction
_____
_____
2.00 mol
_____
(a) If 6.00 mol of
H
2
reacts, how much
N
2
reacts?
(d)
A
3 B
→
C
2 D
(b) If 6.00 mol of
H
2
is placed in a vessel with
N
2
,
can
you tell how much
N
2
reacts?
Change due
to reaction
_____
0.450 mol
_____
_____
(c) If 3.00 mol of
NH
3
is produced, can you tell how
much reacts?
10.18
Consider the following reaction:
H
2
10.14
Complete each table below:
(a)
A
B
→
2 C
2 D
La(OH)
3
(s)
3 HCl(aq) £ LaCl
3
(aq)
3 H
2
O(
/
)
Present initially
1.00 mol
1.10 mol
0.00 mol
0.00 mol
Change due
to reaction
(a) How many moles of
LaCl
3
can be made with 9 mol
_____
_____
_____
_____
of HCl?
(b) How many moles of
Present finally
_____
_____
_____
_____
LaCl
3
can be made with 9 mol
of HCl and 5 mol of
(c) How many moles of can be made with 9 mol
of HCl and 2 mol of La(OH)
3
?
La(OH)
3
?
(b)
A
2 B
→
C
2 D
LaCl
3
Present initially
3.00 mol
4.00 mol
0.00 mol
0.00 mol
Change due
to reaction
_____
_____
_____
_____
Present finally
_____
_____
_____
_____
Problems
10.1 Mole Calculations for Chemical Reactions
10.20
Calculate the number of moles of
H
3
PO
4
that will react
with 0.800 mol of
Ba(OH)
2
to form solid
Ba
3
(PO
4
)
2
.
10.19
Calculate the number of moles of that will react
with 1.29 mol of NaOH in aqueous solution to form
Na
3
PO
4
.
H
3
PO
4
10.21
Calculate the number of moles of
Ba(OH)
2
that will re-
act with 0.600 mol of
H
3
PO
4
to form solid BaHPO
4
.
