Answered: 9. What is the percent composition by…

9. What is the percent composition by mass of aluminum in Al (SO4)3 (gram 15.8% formula mass = 342 grams)? 7.89% 20.8% 36.0% CLEAR ALL

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

Chapter3: Stoichiometry

Section: Chapter Questions

Problem 184CP: When M2S3(s) is heated in air, it is converted to MO2(s). A 4.000-g sample of M2S3(s) shows a...

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

9. What is the percent composition by mass of aluminum in Al, (SO4)3 (gram
15.8%
formula mass = 342 grams)?
7.89%
20.8%
36.0%
CLEAR ALL

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