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A chemist prepares a solution of potassium dichromate (K C/04) by measuring out 6.72 mol of potassium dichromate into a 250. mL volumetric flask and

A chemist prepares a solution of potassium dichromate (K C/04) by measuring out 6.72 mol of potassium dichromate into a 250. mL volumetric flask and filling the flask to the mark with water.

Calculate the concentration in mol/L of the chemist's potassium dichromate solution. Be sure your answer has the correct number of significant digits.

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