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+2 When excess Na,so, solution was added to 20.0 mL of an unknown solution containing Ca ion, 0.0472 g of Caso, precipitated. What is the molar concentration (molarity) of Ca" in the unknown solution? (molar mass of Caso, = 136.14 g/mol A) 1.36 x 10 10 B) 2.47 x 10 C) 2.10 x 10 D) 1.73 x 10 E) 3.83 x Select one: a. 2.47 x 102 оь. 1.36 х 10° -2 C. 3.83 x 10 d. 1.73 x 102 -2 e. 2.10 x 10

+2 When excess Na,so, solution was added to 20.0 mL of an unknown solution containing Ca ion, 0.0472 g of Caso, precipitated. What is the molar concentration (molarity) of Ca" in the unknown solution? (molar mass of Caso, = 136.14 g/mol A) 1.36 x 10 10 B) 2.47 x 10 C) 2.10 x 10 D) 1.73 x 10 E) 3.83 x Select one: a. 2.47 x 102 оь. 1.36 х 10° -2 C. 3.83 x 10 d. 1.73 x 102 -2 e. 2.10 x 10

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter4: Reactions In Aqueous Solution
Section: Chapter Questions
Problem 78QAP: When 85.0 mL of 0.250 M Ba(OH)2 solution is added to 85.00 mL of 0.250 M Al (NO3)3 solution, a white...
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+2 When excess Na,so, solution was added to 20.0 mL of an unknown solution containing Ca ion, 0.0472 g of Caso, precipitated. What is the molar concentration (molarity) of Ca in the unknown solution? (molar mass of Caso, = 136.14 g/mol A) 1.36 x 102 B) 2.47 x 102 C) 2.10 x 10 D) 1.73 x 10 E) 3.83 x 10 Select one: -2 O a. 2.47 x 10 -2 с. 3.83 х 10 d. 1.73 x 10 -2 е. 2.10 х 10
Transcribed Image Text:+2 When excess Na,so, solution was added to 20.0 mL of an unknown solution containing Ca ion, 0.0472 g of Caso, precipitated. What is the molar concentration (molarity) of Ca in the unknown solution? (molar mass of Caso, = 136.14 g/mol A) 1.36 x 102 B) 2.47 x 102 C) 2.10 x 10 D) 1.73 x 10 E) 3.83 x 10 Select one: -2 O a. 2.47 x 10 -2 с. 3.83 х 10 d. 1.73 x 10 -2 е. 2.10 х 10
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