What happens to the concentration of NaCl when water is added to the solution?

NaCl Dilution – Theory Only (MCQ)

Quiz
•
Chemistry
•
University
•
Hard

NURUL EZZAH NABILA BINTI ROSALAN
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Increases
Decreases
Stays the same
Becomes saturated
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula used for dilution calculations?
V₁ + V₂ = V₃
M₁V₁ = M₂V₂
n = C × V²
m = V/M
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which unit is typically used for concentration in dilution calculations?
g
mol
mol/L
mL
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the volume of a solution is doubled, what happens to the concentration?
Becomes zero
Becomes half
Doubles
Stays the same
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dilution is used to:
Increase the number of Na⁺ and Cl⁻ ions
Increase the temperature of a solution
Decrease the concentration of a solution
Crystallize the salt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of moles of NaCl after dilution is:
Increased
Decreased
Unchanged
Doubled
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 1 M NaCl solution diluted to 500 mL from 250 mL will result in:
0.5 M
1 M
2 M
0.25 M
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