Posted by Kathryn on Wednesday, December 8, 2010 at 11:30pm.
Is that 25.0% solution by mass? If so, then 25.0% means we have 25.0 g Al2(SO4)3 in 100 g solution. With a density of 1.75 g/mL, this 100 g soln has a volume of 100/1.75 = 57.14 mL. Thus, 40 mL will contain,
25.0g x (40.0/57.14) = ?? g Al2(SO4)3
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