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Search: Posts Made By: xoxo.hugs.and.kisses
Forum: Homework Help September 14th 2009, 03:23 AM
Replies: 1
Views: 1,511
Re: CHEMISTRY HOMEWORK HELP!

37.8 is the answer

change 20 kg to 20000 g, multiply it by (1 mol/27g) youll get 740.704 mol of Al

then you know you need half as many moles of al2o3 as you do al so divide 740.704 by 2. youll...
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