Question 2: (5 marks) The student dissolved 1.056 g of the given powder mixture (barium chloride + magnesium chloride) in water in a conical flask and added an excess of sulfuric acid. The mass of this white solid precipitate formed was 0.764 g, after filtering off, washing and drying it. a) Calculate the percentage, by mass, of magnesium chloride in the powder. (show all your calculations, units and significant figures are important)

Question 2: (5 marks) The student dissolved 1.056 g of the given powder mixture (barium chloride + magnesium chloride) in water in a conical flask and added an excess of sulfuric acid. The mass of this white solid precipitate formed was 0.764 g, after filtering off, washing and drying it. a) Calculate the percentage, by mass, of magnesium chloride in the powder. (show all your calculations, units and significant figures are important)

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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