Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Lujan Molarity Practice
Test Description: 4th 9 Weeks 2nd Test
Instructions: Answer all questions to get your test result.
1) 0.450 moles of NaCl are dissolved in 95.0 mL of water. Calculate the molarity of the NaCl solution.
A
0.21 M
B
4.7 M
C
2.1 M
D
0.0047 M
2) How many moles of Ca(NO3)2 are there in 75 mL of 0.25 M solution?.
A
0.00333 mol
B
3.33 mol
C
18.8 mol
D
0.0188 mol
3) 15 g of NaCl occupy a volume of 75 mL. What is the molarity of the solution?
A
0.0034 M
B
0.019 M
C
3.4 M
D
0.29 M
4) 45.0 g of Ca(NO3)2 was used to create a 1.3 M solution. What is the volume of the solution?
A
0.021L
B
21L
C
2.1L
D
0.21 L
5) What is the molarity of a solution that contains 1.50 mol HCl in 2.50 L of solution?
A
6.0 M
B
60 M
C
0.3 M
D
0.6 M
6) How many moles of C12H22O11 are needed to prepare 2.50 L of 0.300 M solution?
A
0.75 mol
B
7.5 mol
C
0.65 mol
D
0.70 mol
7) What is the molarity of a solution that contains 122 g of MgSO4 in 3.5 L of solution?
A
0.630 M
B
0.271 M
C
0.550 M
D
0.290 M
8) How many moles of KI are present in 0.85 L of a 0.55 M KI solution?
A
0.4675 mols
B
3.10 mols
C
1.55 mols
D
0.935 mols
9) What is the molar mass of CuFeS2?
A
1.108 X 10^26 g
B
3.07 X 10^24
C
184 g
D
152 g
10) What was the molarity of a solution containing 4.5 moles of NaCl in 100 ml? (first convert to liters)
A
0.045 M
B
0.776 M
C
0.078 M
D
45 M
11) How many ml of solution are needed to make a 5.78 M solution with 2.98 moles of CaO? (hint the answer is in Liters and you must convert to ml)
A
53.2 ml
B
516 ml
C
0.52 ml
D
0.0532 ml
12) How many grams of NiCl2 are in 2.56 moles?
A
~ 330g
B
~1.54 x 10^24 g
C
~0.026 g
D
~253.44 g
13) 0.450 moles of NaCl are dissolved in 95.0 mL of water. Calculate the molarity of the NaCl solution. Convert ml to liters first
A
4.7 M
B
0.0047 M
C
2.1 M
D
0.21 M
14) 42.0 g of Ca(NO3)2 was used to create a 1.3 M solution. What is the volume of the solution?
A
20L
B
0.2L
C
.02L
D
2.0L
15) What is the molarity of a solution containing 5 moles of solute in 250 milliliters of solution? Convert to liters first
A
0.2 M
B
200 M
C
2 M
D
20 M
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?