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17-02-2018
Chemistry

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What would be the resulting molarity of a solution made by dissolving 31.3 grams of Ca(OH)2 in enough water to make a 1059 milliliter solution

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mathmate mathmate

17-02-2018

Molecular mass = 74.093
Number of moles in 31.3 g = 31.3/74.093 = 0.422442
Molarity when dissolved in 1059 mL
= 0.422442 / 1.059
= 0.3989 mol

Answer: The resulting molarity is 0.399 mol (to 3 significant figures)

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