Help 67QUESTION 28For a 8.73 g sample of ethanol (shown in the figure), what is the percent composition by mass of carbon? The molar mass of ethanol is 46.08 g-mol-1.H.H.H HO 18.99%O 22.2%O 26.196O 52.1%QUESTION 29Aquamarine is a mineral called Beryl. What is the empirical formula of aquamarine if it contains 3.3% beryllium, 6.6% aluminum, 54.9% silicon andClick Save and Submit to save and submit. Click Save All Answers to save all answers.Save All Answer

Given, Chemical formula of ethanol= C2H5OH Molar mass of ethanol= 46.08 g/mol

QUESTION 28 For a 8.73 g sample of ethanol (shown in the figure), what is the percent composition by mass of carbon? The molar mass of ethanol is 46.08 g-mol-1. H. H. °C H. 18.99% O 22.29% O 26.196 O 52.1%

QUESTION 28 For a 8.73 g sample of ethanol (shown in the figure), what is the percent composition by mass of carbon? The molar mass of ethanol is 46.08 g-mol-1. H. H. °C H. 18.99% O 22.29% O 26.196 O 52.1%

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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