My DRAFT 2008 Free Response Answers are now available here for a VERY LIMITED TIME. Please feel free to criticize and correct. DOUBTLESS there will be comments required!
2008 AP Free Response DRAFT Answers
May 15, 2008
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In question 4a, since the reactant was specified as a solution of aluminum hydroxide, wouldn’t it be preferable to show the compound as ionized, leading to this as the net equation?
Al3+ + 4OH- ==> [Al(OH)4]-
And in question 2d, I think a better answer would include the step of weighing the filter paper before filtering, rather than leaving that unsaid.
Otherwise, everything else looks good.
Russ Maurer
Hawken School
Gates Mills, OH