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Example 1:
O Predict whether each pair of
Chapter 4
Solution Chemistry
Example 2:
O Complete the dissociation
reactions for:
a. CaCl2(s) water
b. Fe(NO3)3(s) water
c. KBr(s)water
d. (NH4)2Cr2O7(s) water
Example 4:
O Calculate the mass of NaCl needed to
prepare 175 mL of a 0.500 M NaCl
solution.
substances will mix and why.
a. NaNO3 and H2O
b. C6H14 and H2O
c. I2 and C6H14
d. I2 and H2O
Example 3:
O List whether each is a strong, weak, or
nonelectrolyte.
a. HClO4
b. C6H12
c. LiOH
d. NH3
e. CaCl2
f. HC2H3O2
Example 5:
O Determine the molarity of Cl- ions in a
solution prepared by dissolving 9.82 g
of CuCl2 in enough water to make 600.
mL of solution.
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Example 6:
Example 8:
O What volume of 12 M HCl acid must be
O Complete and balance...
used to prepare 600. mL of a 0.30 M
HCl solution?
a. KCl(aq)+Pb(NO3)2 (aq)
b. AgNO3 (aq) +MgBr2 (aq)
c. Ca(OH)2 (aq) +FeCl3 (aq)
d. NaOH (aq) +HCl (aq)
Example 9a:
O Write molecular, complete ionic, and
net ionic forms for...
O Aqueous nickel(II)chloride reacts with
aqueous sodium hydroxide to give
nickel(II)hydroxide precipitate and
aqueous sodium chloride.
Example 9c:
O Write molecular, complete ionic, and
net ionic forms for...
Aqueous sodium hydroxide reacts with
aqueous phosphoric acid to give water
and aqueous sodium phosphate.
Example 9b:
O Write molecular, complete ionic, and
net ionic forms for...
Solid potassium metal reacts with water
to give aqueous potassium hydroxide
and hydrogen gas.
Example 10:
O What mass of Fe(OH)3 is produced
when 35 mL of a 0.250 M Fe(NO3)3
solution is mixed with 55 mL of a
0.180 M KOH solution?
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Example 11:
O To determine the molarity of NaOH you
titrate 25.00 mL aliquot of your sample,
that has 3 drops of phenolphthalein,
with 0.1067 M HCl. The sample sample
turns clear after the addition of
42.95mL HCl. What is the molarity of
your NaOH?
Example 13:
O Assign oxidation states to each atom
a. CaF2
b. C2H6
c. H2O
d. ICl5
e. KMnO4
f. SO4-2
15. Balance the following
equations in acid solution.
a. Cu + HNO3 Cu+2 + NO
b. Cr2O7-2 + NO Cr3+ + NO3-
Example 12:
O An acid contains on acidic hydrogen.
You weigh out a .879g sample of the
pure acid and dissolve it with
phenolphthalein in water. You titrate
the sample with 0.1704 M NaOH. The
pink endpoint is reached after addition
of 42.55 mL of the base. Calculate the
molar mass of the acid.
Example 14:
O Identify the atoms that undergo
oxidation, or reduction. Also label
oxidizing and reducing agents.
a. 2H2 + O2 2H2O
b. Zn + Cu2+ Zn+2 + Cu
c. 2AgCl + H2 2H+ + 2Ag + 2Cld. 2MnO4-1 + 16H+ + 5C2O422Mn2+ + 10CO2 + 8H2O
16. Balance the following
equation in basic solution.
Cr2O7-2 + NO Cr3+ + NO3-
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