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Calcium hydroxide is slightly soluble in water (0.18 g/100mL). It dissolves to give a saturated solution called "lime water".

Calcium hydroxide solution "should" be strongly alkaline, but the low solubility of calcium hydroxide stops the solution having a very high pH. Warning, there is possible confusion over the use of word "strong" in this situation. Hydroxide ion is a strong Brønsted base, but as the calcium salt it can only form a low concentration.

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Calcium hydroxide     Reactions Using    Reactions Forming
Water Solvent    Reactions Using    Reactions Forming
Lime water     Reactions Using    Reactions Forming

Interaction, Reaction, Process defined as:
British A-Level Chemistry: AS
Dissolution: With Ionisation

© Mark R. Leach 1999 –

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