Elementary Principles 22 - 3.12 (a) 4.5 4 3.5 3 2.5 2 1.5 1...

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3- 6 3.12 (a) From the plot above, r = 5455 539 03 .. ρ (b) For = g / cm , 3.197 g Ile /100g H O 3 2 09940 . r = ± . . m Ile == 150 0 994 46 L g 1000 cm 3.197 g Ile 1 kg h cm L 103.197 g sol 1000 g kg Ile / h 3 3 (c) The measured solution density is 0.9940 g ILE/cm 3 solution at 50 o C . For the calculation of Part (b) to be correct, the density would have to be changed to its equivalent at 47 o C. Presuming that the dependence of solution density on T is the same as that of pure water, the solution density at 47
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