This review packet belongs to ______________________ and he/she is going to have fun completing it!
1) What is the mass of H
3
PO
4
in 725 mL of 0.75 M H
3
PO
4
solution?
2) How many grams of CaCl
2
would be needed to prepare
0.650 L of a 1.4 M solution?
3) Use the graph to the right for this question. At 30°C, how many grams of NH
4
Cl would you need to add to
100 g of water to saturate the solution (without adding extra)?
4) You need 400 mL of 3M H
2
SO
4
. What volume of 8.0 M H
2
SO
4
must be dissolved in water to form this solution?
5) Adding which of the following to 1.0 L of water would result in a solution with the highest boiling point? a) 55 g NaCl b) 15 g BaCl
2 c) 75 g RbF
6) If you have a first order reaction and you triple the concentration, the rate will _____________________.
7) If you have a second order reaction and you cut the concentration by one-half, the rate will ___________.
8) What is the rate of a first-order reaction that has a reactant concentration of 0.850 M and a rate constant of 0.17 1/s?
9) Use the table at right: Consider a reaction A + B + C  D
Use this table for question #9 a) b)
What is the order of this reaction with respect to [A]?
What is the order of this reaction with respect to [B]?
Trial Initial
Concentration (M)
A B C
Initial
Rate M/s) c) What is the order of this reaction with respect to [C]?
1
1 0.025 0.20 0.20 0.0070
2 0.025 0.40 0.20 0.0140
3 0.05 0.40 0.40 0.112
4 0.05 0.40 0.20 0.056

Use the following reaction to answer 10-16:
2A(g) + B(s) ↔ 3C(g) + D(l) + 12kJ
10) Is this reaction endothermic or exothermic?
11) Write the K eq
expression.
12) Calculate K eq
with the following concentrations: A = 0.50 M and C = 2.0 M
13) What would happen to the concentration of C if you increase temperature?
14) What would happen to the concentration of C if you add pressure?
15) What would happen to the concentration of A if you remove B?
16) What would happen to the value of K eq
if you cool down the reaction?
17) Assign oxidation states to this reaction and determine which element is oxidized/reduced and which one is the reducing agent/oxidizing agent.
KMnO
4
+ HCl  MnCl
2
+ Cl
2
+ H
2
O + KCl
18) Write oxidation and reduction half-reactions for this equation and balance the equation.
Sb(s) + HNO
3
(aq)  Sb
2
O
3
(s) + NO(g) + H
2
O(l)
19) Calculate the cell potential for these reactions and determine if each is spontaneous or not: a) Sn 2+ + IO
3
 Sn 4+ + I b) S 2- + NO
3
 S + NO
20) Determine the cell potential for the following reaction at nonstandard conditions if [Zn 2+ ] = 2.5 M and
[Cl ] = 4.0 M.
Zn + Cl
2
 Zn 2+ + 2Cl -
2

21) Label the acid, base, and their conjugates for the following reaction:
NH
3
+ H
2
O ⇄ NH
4
+ + OH –
22) What is the pH and pOH of a 0.0190 M HNO
3
solution?
23) Which of the following is the weakest acid?
HNO
2
with K a
= 4.0 x 10 -4 or H
2
S with K a
= 9.1 x 10 -8
24) What is the [H + ] and [OH ] for ammonia with a pH of 11.6?
25) What is the pH of a solution prepared by dissolving 21 g of acetic acid in enough water to make 1.5 L of solution? Assume % dissociation of 8%.
26) Write and balance the equation for the reaction of perchloric acid and calcium hydroxide.
27) If it takes 50 mL of 0.5 M KOH solution to completely neutralize 125 mL of H
2
SO
4
, what is the concentration of the H
2
SO
4
solution?
28) A supply of NaOH is known to contain contaminants. A 0.199 g NaOH sample is titrated with 22.26 mL of a
0.1989 M solution of HCl. What percentage of the original sample is NaOH? Assume that none of the contaminants react with HCl.
29) What is the pH of a 0.300 M solution of benzoic acid? K a
= 6.46 x 10¯ 5
HBz + H
2
O ↔ H
3
O + + Bz¯ (Bz¯ refers to the benzoate ion)
3

30) Write the symbol for the isotope of lithium with 5 neutrons.
31) If the half-life of cesium-134 is 2 years, and you start with 100 g of cesium-134, how much would be left after 10 years?
32) How many protons, neutrons, and electrons are in a neutral atom of Cs-137?
33) If N-14 is bombarded with a neutron to form C-14, what particle is released along with the C-14?
34) What is formed when radon-222 undergoes alpha decay?
35) What is formed if xenon-131 is bombarded by a beta particle?
4

1) 35.5 g
2) 33.6 g
3) 38 g
4) 150 mL
5) 100 g LiF
6) double
7) decrease by 1/9
8) rate = 0.14 M/s
9) a) 2 b) 1 c) 1
10) exothermic
11) K = [C] 3 /[A] 2
12) 32
13) decrease
14) decrease
15) nothing – manipulating a solid or liquid does not change equilibrium position
16) increase
17) left: H=+1, S=-2, N=+5, O=-2; right: S=0, N=+2, O=-2, H=+1; sulfur is oxidized and is the reducing agent, nitrogen is reduced and is the oxidizing agent
18) Final answer: 3S(s) + 4HNO
3
(aq)  3SO
2
+ 4NO(g) + 2H
2
O(l) hint: oxidation starts with S  SO
2 reduction starts with HNO
3
 NO
19) a) 2.22V spontaneous b) -1.636V, not spontaneous
20) 2.074V
21) HF = acid, H
2
O=base, F -1 = conjugate base, H
3
O +1 = conjugate acid
22) pH= 0.69, pOH=13.31
23) H
2
SO
3
(higher K a
)
24) [H + ] =10 -3 and [OH -1 ] = 10 -11
25) 1.55
26) H
2
SO
4
+ 2KOH  2H
2
O + K
2
SO
4
27) 2.36
28)
3
8 Li
or Li-8
29) 125 g
30) p=55, n = 82, e = 55
31) a proton
32)
218
84
Po
33)
131
53
I or Po-218
or I-131
5