Part B
A chemist prepares a solution by adding 253 mg of K2Cr2O7 (MW = 294.19 g/mol ) to a volumetric flask, and then adding water until the total volume of the contents of the flask reaches the calibration line that indicates 750 mL . Determine the molarity of the prepared solution.
Part D
A beaker contains 430 mL of a 6.31 M HCl(aq) solution. Determine the new concentration of the solution after it is diluted by adding 120 mL of water to the beaker.
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Part B A chemist prepares a solution by adding 253 mg of K2Cr2O7 (MW = 294.19...