How much solute will remain undissolved when 180 g of potassium iodide is added in 100 cm3 of water at 30°C?

Explanation:

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In this case, we first define the solubility as the maximum amount of a solute that is completely dissolved in an specific amount of solvent and it is temperature-dependent. Thus for potassium iodide, its solubility at 30°C is 153 g per 100 cm3 of water, therefore, with the given amount, the undissolved amount results:

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i think its 100.

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