What to do
- Pick a stock solution and a stock volume.
- Add water to reach a final volume. Read the new molarity.
- Check each row with M₁V₁ = M₂V₂.
Controls
Data table
| Stock | Setup | Final volume | Answer |
|---|
Copy your table onto your worksheet. No device? Use the Dilution Card on the Teacher Prep page. Fill in the table from the card.
Check yourself
Does the number of particles of solute change when you add water?
No. Only the volume changes.
What happens to the color of a dyed solution when you dilute it?
It gets lighter.
How much water is added in the last row?
200. − 40. = 160. mL
Try each question first. Then tap it to check.