Use a measuring cylinder to measure 100g water into a beaker. , Add a known mass of the solid to the beaker of water.  , Stir vigorously for one minute., Only some of the solid will dissolve., Measure the mass of a piece of filter paper., Filter the mixture, ensuring that all undissolved solid is in the filter paper., Leave the damp filter paper and undissolved solid to dry overnight., The next day, measure the mass of the dry filter paper and undissolved solid., Subtract the mass of the filter paper to leave the mass of undissolved solid., Subtract the mass of undissolved solid from the original mass added to the water., You now know the mass of solid that can dissolve in 100g water at that temp..

Determine solubility

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