Lab 4 Data Table

Lab 4 Data Table - 0.0135 Anticipated weight (g) Actual...

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21:03:21 01/23/2012 Name: Liz Zharovsky C19 Lab day: Tuesday Date: 10/4/2011 Lab section: 2 TABLE OF DATA AND RESULTS Reagents Weight (g) # moles Al 0.54 26.98 0.020 6.50 126.04 0.0516 KOH 10 0.06 Product (2.5 hydrate) Formula weight (g/mol) Anticipated # moles 453.38 0.0172 Anticipated weight (g) Actual weight (g) Percent yield 7.79 3.40 43.6% Reagents Weight (g) # moles 3.10 249.61 0.0124 4.99 184.22 0.0271 Product (2.5 hydrate) Formula weight (g/mol) Anticipated # moles 362.78
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Unformatted text preview: 0.0135 Anticipated weight (g) Actual weight (g) Percent yield 4.50 3.25 72.2% Sample calculations: Percent yield Synthesis of K 3 [Al(C 2 O 4 ) 3 ] hydrate Formula weight (g/mol) H 2 C 2 O 4 . 2H 2 O K 3 [Al(C 2 O 4 ) 3 ] 2.5H 2 O Synthesis of K 2 [Cu(C 2 O 4 ) 2 ] hydrate Formula weight (g/mol) CuSO 4 . 5H 2 O K 2 C 2 O 4 . H 2 O K 2 [Cu(C 2 O 4 ) 2 ] 2.5H 2 O...
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