What is the average atomic mass of element X if it exists as 19.90% with a mass of 10.7 and 80.10% with a mass of 14.69g? Present you answer to two decimal places.

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Answered: What is the average atomic mass of…

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter10: The Mole

Section10.2: Mass And The Mole

Problem 25SSC

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What is the average atomic mass of element X if it exists as 19.90% with a mass of 10.7 and 80.10% with a mass of 14.69 g? Present you answer to two decimal places.