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Recap - Soil and Lime

Part of the Acids and Bases section of Coddy's Chemistry journey. Lesson 27 of 30.

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Challenge

A garden bed is too acidic: the water in its soil holds 0.5 mol0.5\ \mathrm{mol} of H₃O⁺ more than the plants like. The gardener spreads slaked lime, Ca(OH)₂ (74 g/mol74\ \mathrm{g/mol}):

Ca(OH)₂ + 2H₃O⁺ → Ca²⁺ + 4H₂O

What mass of slaked lime neutralizes the extra acid?

Try it yourself

Physics diagram: balance, beaker

Solve for mm

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