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Test Description: Regents Chemistry-Solutions
Instructions: Answer all questions to get your test result.
1) What is the molarity of a solution of NaOH if 8 liters of the solution contains 4 moles of NaOH?
A
80 M
B
5 M
C
8 M
D
0.5 M
2) Which solution has the highest boiling point at standard pressure?
A
1 M KCl
B
0.10 M KCl
C
0.01 M KCl
3) CCl4 will dissolve in
A
CO2
B
NH3
C
PCl3
D
H2O
4) like dissolves like applies too
A
polar will dissolve in polar
B
nonpolar will dissolve in polar
C
polar will dissolve in nonpolar
D
nonpolar will dissolve in polar and non polar
5) What is the concentration of a solution, in parts per million, if 0.02 gram of Na3PO4 is dissolved in 1000 grams of water?
A
2 ppm
B
0.02 ppm
C
20 ppm
D
0.20 ppm
6) Compared to a 2.0 M aqueous solution of NaCl at 1 atmosphere, a 3.0 M aqueous solution of NaCl at 1 atmosphere has a
A
higher boiling point and a higher freezing point
B
lower boiling point and a higher freezing point
C
lower boiling point and a lower freezing point
D
higher boiling point and a lower freezing point
7) What is the molarity of a solution that contains 0.50 moles of NH4Cl in 0.50 liter of solution?
A
2 M
B
0.25 M
C
0.5 M
D
1.0 M
8) Which of the following salts is soluble according to table F?
A
K3PO4
B
Mg3PO4
C
CaCO3
D
Mg(OH)2
9) A solution that has the maximum amount of solid dissolved at a certain temperature is said to be:
A
super saturated
B
saturated
C
unsaturatetd
10) The solvent is the part of the solution that
A
does the dissolving
B
changes phase
C
gets dissolved
*select an answer for all questions
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