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30.Sodium sulfate is allowed to react with an aqueous solution of barium chloride to produce (you know). How many grams of sodium sulfate are required to produce 0.45 g of salt? a. b. C. d. e. 0.55 g 0.45 g 1.1 g 0.46 g none of the above 31. What is the answer to the following problem to the correct number of significant figures? 0.025 x 3.60 x 52.13 A) 4.7

30.Sodium sulfate is allowed to react with an aqueous solution of barium chloride to produce (you know). How many grams of sodium sulfate are required to produce 0.45 g of salt? a. b. C. d. e. 0.55 g 0.45 g 1.1 g 0.46 g none of the above 31. What is the answer to the following problem to the correct number of significant figures? 0.025 x 3.60 x 52.13 A) 4.7

Chemistry
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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30.Sodium sulfate is allowed to react with an aqueous solution of barium chloride to produce (you know). How many grams of sodium sulfate are required to produce 0.45 g of salt? a. b. C. d. e. 0.55 g 0.45 g 1.1 g 0.46 g none of the above 31. What is the answer to the following problem to the correct number of significant figures? 0.025 x 3.60 x 52.13 A) 4.7 B) C) 4.70 D) 4.6 E) 4.69 4.692 32. Which of the following correctly describes the Lewis structure of the carbonate ion? A) 2 single bonds, 1 double bond, 8 lone pairs 3 single bonds, 9 lone pairs B) C) 1 single bond, 2 double bonds, 9 lone pairs D) 3 double bonds, 6 lone pairs
Transcribed Image Text:30.Sodium sulfate is allowed to react with an aqueous solution of barium chloride to produce (you know). How many grams of sodium sulfate are required to produce 0.45 g of salt? a. b. C. d. e. 0.55 g 0.45 g 1.1 g 0.46 g none of the above 31. What is the answer to the following problem to the correct number of significant figures? 0.025 x 3.60 x 52.13 A) 4.7 B) C) 4.70 D) 4.6 E) 4.69 4.692 32. Which of the following correctly describes the Lewis structure of the carbonate ion? A) 2 single bonds, 1 double bond, 8 lone pairs 3 single bonds, 9 lone pairs B) C) 1 single bond, 2 double bonds, 9 lone pairs D) 3 double bonds, 6 lone pairs
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