Chemistry Reference
In-Depth Information
11.2 Molarities of Ions
11.46 What is the concentration of each type of ion in solution
after 23.69 mL of 3.611 M NaOH is added to 29.10 mL
of 0.8921 M Assume that the final volume is the
sum of the original volumes.
11.47
Calculate the concentration of each type of ion in solution
after 50.0 mL of 4.00 M NaCl and 50.0 mL of 2.50 M NaBr
are mixed. Assume that the final volume is 100.0 mL.
11.48 What is the concentration of each type of ion in solution
after 42.00 mL of 3.000 M NaOH is added to 50.00 mL
of 2.535 M Assume that the final volume is the
sum of the original volumes.
11.49
Find the concentration of each type of ion in solution
after 25.0 mL of 0.919 M is diluted to 100.0 mL.
11.50 Find the concentration of each type of ion in solution
after 10.0 mL of 0.650 M
11.34
Calculate the concentration of each ion in each of the fol-
lowing solutions:
(a) 0.344 M
(b) 1.61 M
(c) 0.0808 M
(d) 3.75 M KBr
(e) 3.09 M
11.35
In which one(s) of the following combinations of solu-
tions is a reaction expected?
(a)
(b)
11.36 Calculate the concentration of each ion in each of the fol-
lowing solutions:
(a) 2.50 M
H
2
SO
4
?
Al
2
(SO
4
)
3
(NH
4
)
3
PO
4
Ba(OH)
2
NaClO
3
HClO
3
?
KC
2
H
3
O
2
(aq)
HCl(aq)
CoCl
2
CaF
2
(aq)
HNO
3
(aq)
Na
3
PO
4
is diluted to 50.0 mL.
11.3 Titration
HNO
3
(b) 3.00 M
Co(ClO
3
)
3
(c) 2.10 M
CuSO
4
(d) 0.136 M
Ca
3
(PO
4
)
2
11.51
Calculate the concentration of an solution if
25.00 mL is completely neutralized by 21.73 mL of
4.000 M NaOH solution.
11.52 Calculate the concentration of a phosphoric acid solution
if 25.00 mL is completely neutralized by 31.17 mL of
4.000 M sodium hydroxide solution.
11.53 Calculate the concentration of an
H
2
SO
4
(e) 3.11 M
11.37 Calculate the concentration of each ion in 0.715 M
solution.
11.38
Calculate the concentration of each ion in 0.128 M
(a) solution, and (b) solution.
11.39
Calculate the concentration of each ion in solution after
12.3 mL of 0.816 M
(NH
4
)
2
SO
3
Al
2
(SO
4
)
3
Hg(NO
3
)
2
Hg
2
(NO
3
)
2
H
3
PO
4
solution if
25.00 mL is converted to
Na
2
HPO
4
by 39.13 mL of
BaCl
2
is mixed with 14.3 mL of
2.000 M NaOH solution.
11.54 Calculate the concentration of a sulfuric acid solution if
25.00 mL is converted to sodium sulfate by 17.42 mL of
3.150 M sodium hydroxide solution.
11.55
When 2.818 g of potassium hydrogen phthalate (symbol-
ized here as KHPh; molar mass g/mol) is
titrated with KOH solution, it takes 31.74 mL of the base
to achieve the end point. Calculate the concentration of
the KOH solution.
0.806 M
AlCl
3
and the resulting solution is diluted to
50.0 mL.
11.40 Calculate the
total
concentration of all the ions in each of
the following solutions:
(a) 3.25 M NaCl (b) 1.75 M
(c) 12.1 g of in 615 mL of solution
11.41
If 0.217 mol of and 0.217 mol of are dis-
solved in enough water to make 650.0 mL of solution,
what is the concentration of each ion in the solution?
11.42 Calculate the concentration of each ion in solution after
35.3 mL of 2.17 M is mixed with 21.4 mL of 0.500
M and the resulting solution is diluted to 100.0 mL.
11.43 If 0.500 mol of and 0.500 mol of are
dissolved in enough water to make 250.0 mL of solution,
what is the concentration of each ion in the solution?
11.44
Assuming that the final volume is the sum of the initial
volumes, calculate the concentration of each ion in solu-
tion after
(a) 30.00 mL of 4.000 M NaOH is added to 60.00 mL of
1.250 M HCl.
(b) 30.00 mL of 4.000 M NaCl is added to 60.00 mL of
1.250 M HCl.
11.45 Calculate the concentration of each type of ion in solution
after 30.0 mL of 3.35 M NaCl and 70.0 mL of 1.35 M
are mixed. Assume that the final volume is
100.0 mL.
Ca(ClO
3
)
2
204.2
(NH
4
)
2
SO
3
Li
2
SO
4
K
2
SO
4
KHPh(aq)
KOH(aq) £ K
2
Ph(aq)
H
2
O(
/
)
11.56 How many millimoles of
AgNO
3
will react with 21.29 mL
MgCl
2
of 2.500 M
11.57
How many millimoles of
CaCl
2
?
AlBr
3
H
2
SO
4
will react completely
Al
2
(SO
4
)
3
Na
2
SO
3
with 12.88 mL of 1.500 M NaOH?
11.58 How many millimoles of CaO(s) can be “dissolved”
with 25.00 mL of 4.000 M HCl?
11.59
How many millimoles of
Ca(OH)
2
(s)
will react with
29.17 mL of 4.000 M
11.60 How many millimoles of
HClO
3
?
AgNO
3
will react with 17.13 mL
of 0.203 M
11.61
An antacid tablet contains 31.3 g of What
volume of 2.84 M stomach acid (HCl) can this tablet
neutralize?
11.62 An antacid tablet contains What mass of this
compound is required to neutralize 178 mL of 2.91 M
stomach acid (HCl)?
AlCl
3
?
NaHCO
3
.
NaHCO
3
.
Na
2
SO
4
