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September 2, 2014

Homework Help: chemistry

Posted by confused student.. on Tuesday, November 6, 2007 at 8:46pm.

last one, i PROMISE

A compound containing only C, H, O and Cr was subjected to combustion analysis. A sample of 10.88 mg produced 22.43 mg of CO2 and 4.59 mg of H2O. The chromium in the sample was precipitated as 14.09 mg of Ag2CrO4. Determine the empirical formula of the compound and match each element with its correct subscript from the drop box.

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