Dilution: c₁V₁ = c₂V₂

Choose the stock concentration, the concentration you want and the final volume to see how much stock and water to use.

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Questions students ask

Why does c₁V₁ = c₂V₂ work?

Adding water does not change the number of moles of solute, so moles before (c₁V₁) equal moles after (c₂V₂).

What formula does it use?

c₁V₁ = c₂V₂.

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