Practice Molarity, Molality & Dilution Problems

Quiz
•
Chemistry
•
12th Grade
•
Medium
Standards-aligned
Travis Ribordy
Used 7+ times
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When you make a dilution, which of these values remains constant?
The molarity (M)
The total moles of solute
The volume (V)
The concentration
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
As we dilute a solution.....
The volume increases and the molarity (M) increases
The volume increases and the molarity (M) decreases
The volume decreases and the molarity (M) increases
The volume decreases and the molarity (M) decreases
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When Na2O is added to water it reacts violently instead of making a solution. What is the molar mass of Na2O?
62 g/mol
39 g/mol
55 g/mol
100 g/mol
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The term molar which is used to describe a solution's concentration, is written as?
M
mol
g
g/L
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
When a solution is heated until it boils, the molarity...
Doesn't change because everything evaporates
Decreases
Increases
Will become 1M
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Molarity is ...
grams of solute/deciliters of solvent.
grams of solute/liters of solution.
moles of solute/liters of solution.
moles of solute/milliliters of solvent.
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
50 ml of a 1 M solution is diluted until the final volume is 80ml. How much water was added?
50 ml
1.3 ml
30 ml
130 ml
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