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Topic: Finding the concentration of a solution through transmittance rate  (Read 2722 times)

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Offline OhyesOhno69

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Finding the concentration of a solution through transmittance rate
« on: September 16, 2008, 01:01:37 PM »
I'm doing this equilibrium experiment that involves the reaction of chromate ion with hydronium ion to produce dichromate ion:

2CrO42-(aq) + 2H3O+(aq) <==> Cr2O72-(aq) + 3H2O(l)
        Yellow                              orange

My experiment's independent variable is the temperature and the dependent variable is the orange transmittance rate of the solution.

My question is... can I find the equilibrium constant with just the transmittance rate? (it's in percentage) Or is there any quantitative data that can be analyzed?

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