Suppose that 70g of a substance is dissolved in 100cm^3 of water at 80°C. How much of the substance, in grams, will precipitate
when the solution is cooled down to 30°C?
A. 55
B. 45
C. 10
D. 30
E. 25
A. 55
B. 45
C. 10
D. 30
E. 25
1 answer:
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