What is the new molarity of the, Chemistry

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What is the new molarity of the

A chemist prepares 460 mL of a 2.0 M solution of K2Cr2O7 in water. A week later, the chemist wants to use the solution, but the stopper has been left off the flask and 35 mL of water has evaporated. What is the new molarity of the solution? (assume 1g of K2Cr2O7 = 1 ml of K2Cr2O7).

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