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CHEMISTRY

JAMB 2008 - Question 16

Chemistry 2008 JAMB Past Questions - Question 16: 117.0g of sodium chloride was dissolved in 1.0dm³ of distilled water at 25°C. Determine the solubility in mol dm³ of sodium chloride at that temperature.

Choose the correct answers from the options given.

117.0g of sodium chloride was dissolved in 1.0dm³ of distilled water at 25°C. Determine the solubility in mol dm³ of sodium chloride at that temperature.

A: 1.0

B: 2.0

C: 3.0

D: 4.0

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Correct Answer

Explanation

Molar mass of NaCl = 58.5Amount dissolved in 1dm³ of distilled water = 117.0gNo of mole = mass molar mass= 117.0 58.5 = 2.0 mol dm-³