The experimental van't Hoff factor (i) for a 0.10 M CoCl2 solution was determined to be 2.658 at a constant temperature.  What is the % dissociation for the CoCl2 in this solution at the experimental temperature?  The ideal van't Hoff factor for CoCl2 would be 3.

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Chapter13: The Chemistry Of Solutes And Solutions
Section13.7: Colligative Properties Of Solutions
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The experimental van't Hoff factor (i) for a 0.10 M CoCl2 solution was determined to be 2.658 at a constant temperature.  What is the % dissociation for the CoCl2 in this solution at the experimental temperature?  The ideal van't Hoff factor for CoCl2 would be 3.  (See equation #2 in the procedure)

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This question is answered by using the simple concept of calculation of % dissociation using the van't Hoff factor value and number of ions produced.

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