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Purple crystal: dissolving and dilution

Each 1 mL into 9 mL is a tenfold dilution.

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What you do

1. Drop a potassium permanganate crystal into tube 1.
2. Set the amount to 1 mL, then pour from tube 1 into tube 2.
3. Pour 1 mL from tube 2 into tube 3.
4. Pour 1 mL from tube 3 into tube 4. Tube 4 is 1000 times more dilute than tube 1.

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