Question

@ Explain the effect of temperature of solubility of a
substance answer in 60 to 80 words​

Answer 1

Answer:

In general, solids become more soluble as the temperature increases. This is why sugar dissolves better in hot water than in cold water. The table shows three examples of the solubility (g of solute per 100 g water) of substances at different temperatures.

20°C 30°C 40°C

Lead(II) nitrate 54.3 63.4 72.1

Potassium nitrate 31.6 45.8 63.9

Sodium chloride 35.9 36.1 36.4

Solubility curves

Every solute has a fixed solubility at room temperature. However, the solubility of a solute changes as the temperature of the water changes. The solubility of a substance in water at different temperatures can be displayed using a solubility curve. Solubility curves can be used to determine the mass of crystals formed when a solution is cooled.

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