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August 28, 2014

Homework Help: chemistry

Posted by Colby on Friday, December 2, 2011 at 12:00am.

If a 0.10 M solution of silver fluoride, AgF, is mixed with a 0.10 M solution of barium acetate, Ba(C2H3O2)2, a pecipitate (ppt.) forms: AgF + Ba(C2H3O2)2--> ppt.
In order to identify the precipitating ions, you conduct some experimental tests.
a) what is the purpose of this test (the solutions are 0.1 M):
AgF + NaC2H3O2--> ?
b) what do the test results below tell you about the AgF + Ba(C2H3O2)2 reactions?
AgF + Ba(NO3)2 --> precipitate (properties are identical to those of the ppt. formed in the AgF + Ba(C2H3O2)2 reaction)
c) which 0.10 M test reagant combination below did you use to directly test the hypothesis that silver ions are critical to precipitate formation?
AgF + Ba(NO3)2 NaF + Ba(C2H3O2)2 AgF + KC2H3O2

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