Molarity Calculations

Quiz
•
Chemistry
•
10th - 12th Grade
•
Hard
Charles Martinez
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
An aqueous 2.00 hydrochloric acid solution is prepared with a total volume of .350L. the molecular weight of hydrochloric acid is 36.46 g/mol
What mass of hydrochloric acid (in grams) is needed for the solution?
3.67
25.5
.026
.0036
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An aqueous 0.839 M acetic acid solution is prepared with a total volume of 0.500 L. The molecular weight of acetic acid is 60.05 g/mol What mass of acetic acid (in grams) is needed for the solution?
14.67
32.006
21.5
25.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 0.200 L cup of tea contains 3.765 g sucrose, which has a molecular weight of 342.3 g/mol
3.056
0.0032
0.0550
1.138
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 0.355 L soft drink contains 45.5 of sucrose, which has a molecular weight of 342.3 g/mol. What is the molar concentration of sucrose in the soft drink?
.375
.724
.0036
1.374
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 0.250 L sample of seawater contains 77.4 g of NaCl, which has a molecular weight of 58.44 g/mol. What is the molar concentration of sodium chloride in the seawater?
2.06
5.30
2.005
.0065
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
#9 Calculate the final concentration of a solution that is made by dissolving 14.8 g of solid sodium hydroxide in 600.0 mL of solution.
15.00
12.00
1.500
.023
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
#4 How many liters of 0.88 M solution can be made with 25.5 grams of Lithium fluoride?
751.6
21.6
735
0.00065
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