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43. What is the pH of a solution with [H3O+] = 3.25 x 10- 6 M? A) 5.488 B) 3.78 C) 5.49 D) 4.951 E) 2.74 44. How many grams of tetrarsenic hexoxide are formed when 6.25g of arsenic react with 3.25 g of oxygen in the reaction 4As(s) + 302(g) forms As406(s)? A) 132 g B) C) D) E) 8.25 g 33.0 g 13.5 g 34.6 g 45. How many protons, neutrons and electrons are present in the 7+ ion of the isotope of manganese-55? A) 25 protons, 25 electrons, 30 neutrons B) C) D) E) 25 protons, 18 electrons, 30 neutrons 18 protons, 25 electrons, 55 neutrons 55 protons, 18 electrons, 30 neutrons 30 protons, 25 electrons, 55 neutrons

43. What is the pH of a solution with [H3O+] = 3.25 x 10- 6 M? A) 5.488 B) 3.78 C) 5.49 D) 4.951 E) 2.74 44. How many grams of tetrarsenic hexoxide are formed when 6.25g of arsenic react with 3.25 g of oxygen in the reaction 4As(s) + 302(g) forms As406(s)? A) 132 g B) C) D) E) 8.25 g 33.0 g 13.5 g 34.6 g 45. How many protons, neutrons and electrons are present in the 7+ ion of the isotope of manganese-55? A) 25 protons, 25 electrons, 30 neutrons B) C) D) E) 25 protons, 18 electrons, 30 neutrons 18 protons, 25 electrons, 55 neutrons 55 protons, 18 electrons, 30 neutrons 30 protons, 25 electrons, 55 neutrons

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter13: Acids And Bases
Section: Chapter Questions
Problem 170CP
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43. What is the pH of a solution with [H3O+] = 3.25 x 10- 6 M? 5.488 3.78 C) 5.49 D) 4.951 E) 2.74 A) B) 44. How many grams of tetrarsenic hexoxide are formed when 6.25g of arsenic react with 3.25 g of oxygen in the reaction 4As(s) + 302(g) forms As406(s)? A) 132 g B) C) D) E) 8.25 g 33.0 g 13.5 g 34.6 g 45. How many protons, neutrons and electrons are present in the 7+ ion of the isotope of manganese-55? A) 25 protons, 25 electrons, 30 neutrons B) 25 protons, 18 electrons, 30 neutrons C) 18 protons, 25 electrons, 55 neutrons D) 55 protons, 18 electrons, 30 neutrons E) 30 protons, 25 electrons, 55 neutrons
Transcribed Image Text:43. What is the pH of a solution with [H3O+] = 3.25 x 10- 6 M? 5.488 3.78 C) 5.49 D) 4.951 E) 2.74 A) B) 44. How many grams of tetrarsenic hexoxide are formed when 6.25g of arsenic react with 3.25 g of oxygen in the reaction 4As(s) + 302(g) forms As406(s)? A) 132 g B) C) D) E) 8.25 g 33.0 g 13.5 g 34.6 g 45. How many protons, neutrons and electrons are present in the 7+ ion of the isotope of manganese-55? A) 25 protons, 25 electrons, 30 neutrons B) 25 protons, 18 electrons, 30 neutrons C) 18 protons, 25 electrons, 55 neutrons D) 55 protons, 18 electrons, 30 neutrons E) 30 protons, 25 electrons, 55 neutrons
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