Which of these salts is most soluble at 50°C? KNO3 NaNO3 KClO3 NaCl

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Question:

Which of these salts is most soluble at 50°C? KNO3 NaNO3 KClO3 NaCl

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Answer:NaNO₃.Explanation:From the attached figure, the solubility of the different salts is:KNO₃:It is 90 g per 100 g water.NaNO₃:It is 110 g per 100 g water.KClO₃:It is about 20 g per 100 g water.NaCl:It is about 40 g per 100 g water.So, the most soluble salt at 50°C is NaNO₃.

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