Elementary Principles 50

# Elementary Principles 50 - 4.16 a. 4.00 mol H 2SO 4 0.098...

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4- 9 4.16 a. 400 0098 1213 0323 .. . . molH SO L of solution kgH SO molH SO L of solution kgsolution kgH SO / kgsolution 24 = bg b. v 1 100 0200 0800 1139 L kg kg H SO / kg kg H O / kg SG 2 . . . = v m 2 2 0600 0400 1498 L kgH SO / kg kgH O / kg 2 . . . = v m 3 3 0677 L kg H SO / kg 2 . . . = 5 unknowns ( vvvmm 123 2 3 ,,, , ) – 2 balances – 3 specific gravities 0 DF Overall mass balance: Water balance kg kg 100 0800 100 0 400 0 677 44 4 144 23 2 3 += U V W = = mm m m :. . . . v 1 100 1139 8780 == kg L kg L20%solution . . v 2 444 29 64 60% . . . kg L kg L solution v v 1 2 29 64 296 60% . . . L 20%solution L solution c. 1250 44 4 144 257 kgP h kg60%solution L kgsolution L/h . . = 4.17 m 1 025 075 kg @\$18/ kg kgP / kg kgH O / kg 2 . . m 2 012 088 kg @\$10/ kg kgP / kg kgH O / kg
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