Suppose that 3.50 g of potassium chromate is added to 75.0 ml of 0.250 M magnesium nitrate. 1. What will be the initial molar concentration of potassium chromate (194.19 g/mol) in the solution? 2.40 M 2.40 x 10-3 M 0.0240 M 2.40 x 10-4 M None of Choices 2. What mass of potassium ions (39.10 g/mol) is present in the solution? 0.705 g None of the choices 141 g 1.41 g 7.05 g 3. What precipitate will be formed? KNO3 MgCrO4 K2NO3 Mg2CrO4

Suppose that 3.50 g of potassium chromate is added to 75.0 ml of 0.250 M magnesium nitrate. 1. What will be the initial molar concentration of potassium chromate (194.19 g/mol) in the solution? 2.40 M 2.40 x 10-3 M 0.0240 M 2.40 x 10-4 M None of Choices 2. What mass of potassium ions (39.10 g/mol) is present in the solution? 0.705 g None of the choices 141 g 1.41 g 7.05 g 3. What precipitate will be formed? KNO3 MgCrO4 K2NO3 Mg2CrO4

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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