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Mistake Master · AP Chemistry · Unit 3 · Step-Through Animation

Dilution Moves the Water, Not the Solute

You'll learnwhy diluting changes volume but not solute amount, so that M₁V₁ = M₂V₂.

Twelve particles go into the flask and twelve come out. Everything a dilution does, it does to the volume, and that is the whole reason M₁V₁ = M₂V₂ is allowed to exist. Twelve short steps; press Next for each one.

12 STEPS · 6 QUICK CHECKS · 4.00 M STOCK · nsolute = 0.400 mol · v3

ONE SOLUTE, THREE VOLUMES · WATCH THE COUNT REFUSE TO MOVE
Before you start
What you're looking at
A flask of 4.00 M stock holding twelve solute particles, and a ledger counting them.
The question
When the water goes in, what changes in the flask and what does not?
Step 1 / 12