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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
o
C to 60
o
C is
[Na = 23, Cl = 35.5]
117.00 g
58.50 g
11.70 g
5.85 g
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