If I were to dissolve 100 mg of salicylic acid, what's the minimum volume of hot water do I need? How to calculate that? Thanks
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It depends on the solubility of salicylic acid.
The source below says 2.24 mg of salicylic acid dissolve in 1.00 mL of water at 25 °C.
So you would need (100 mg) / (2.24 mg/mL) = 44.6 mL of water at 25 °C.
Presumably hotter water would dissolve more, so you would need less than 44.6 mL hot water, but to know exactly how much you would need to know the temperature of the water and the solubility of salicylic acid at that temperature.
The source below says 2.24 mg of salicylic acid dissolve in 1.00 mL of water at 25 °C.
So you would need (100 mg) / (2.24 mg/mL) = 44.6 mL of water at 25 °C.
Presumably hotter water would dissolve more, so you would need less than 44.6 mL hot water, but to know exactly how much you would need to know the temperature of the water and the solubility of salicylic acid at that temperature.
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