A solution of potassium chromate is prepared at ph 772
Chromic acid is a diprotic acid H2CrO4 with Ka1 = 0.18 and Ka2 = 3.2 x 10-7. A solution of potassium chromate is prepared at pH 7.72. Calculate the fraction of the total chromate in this solution that is present as the chromate ion CrO42-.
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A solution of potassium chromate is prepared at pH 7.72. Calculate the fraction of the total chromate in this solution that is present as the chromate ion CrO42-.
Carboxylic acids and phenols can be separated by chemically active extraction if the pH of the aqueous layer is properly chosen. Phenols are sufficiently acidic to be extracted into aqueous sodium hydroxide
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Calculate the future value of the investment. You must use the advertised interest rate, the number of compounding periods per year, and the time the funds will be invested.
What is the phase difference in a circuit with 100V,drawing 0.5 amps, consuming 50 Watts
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