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Problems based on solubility:-
What is the mass of sodium chloride that would be needed to form a saturated solution in 50 g of water at 30°C. Solubility of sodium chloride is 36 g at 30°C?
Given:
At 30°C, 36 g of sodium chloride is
dissolved in 100 g of water.
∴ Mass of sodium chloride that would be need
for 100 g of water = g.
Formula:
The solubility is expressed mathematically as
Solubility = / x 100
∴ Mass of sodium chloride dissolved in 50 g of water = × / 100
Solubility of sodium chloride is 36 g at 30°C = g.
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