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Question 3 How many Mn atoms equal a mass of 54.94 g? (Refer to the Periodic Table.) 1. A) 1 2. B) 25 3. C) 55 4. D) 6.02 x 1023 5. E) none of the above Question 4 What is the molar mass of ammonium dichromate. (NI 14)2Cr207? A) 238.09 g/mol B) 252.10 g/mol C) 260.18 g/mol D) 372.18 g/mol E) 386.19 g/mol

Question 3 How many Mn atoms equal a mass of 54.94 g? (Refer to the Periodic Table.) 1. A) 1 2. B) 25 3. C) 55 4. D) 6.02 x 1023 5. E) none of the above Question 4 What is the molar mass of ammonium dichromate. (NI 14)2Cr207? A) 238.09 g/mol B) 252.10 g/mol C) 260.18 g/mol D) 372.18 g/mol E) 386.19 g/mol

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 2CR: erhaps the most important concept in introductory chemistry concerns what a mole of a substance...
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Question 3 How many Mn atoms equal a mass of 54.94 g? (Refer to the Periodic Table.) 1. A) 1 2. B) 25 3. C) 55 4. D) 6.02 x 1023 5. E) none of the above Question 4 What is the molar mass of ammonium dichromate. (NI 14)2Cr207? A) 238.09 g/mol B) 252.10 g/mol C) 260.18 g/mol D) 372.18 g/mol E) 386.19 g/mol
Transcribed Image Text:Question 3 How many Mn atoms equal a mass of 54.94 g? (Refer to the Periodic Table.) 1. A) 1 2. B) 25 3. C) 55 4. D) 6.02 x 1023 5. E) none of the above Question 4 What is the molar mass of ammonium dichromate. (NI 14)2Cr207? A) 238.09 g/mol B) 252.10 g/mol C) 260.18 g/mol D) 372.18 g/mol E) 386.19 g/mol
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