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JAMB - Chemistry (1999 - No. 44)

From the diagram above the mass of crystals deposited when 1 dm 3 of a saturated solution of NaCl is cooled from 80 oC to 60oC is
[Na = 23, Cl = 35.5]
117.00 g
58.50 g
11.70 g
5.85 g

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