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Percent by Mass of Carbon, Hydrogen, and Oxygen in Selected Compounds Compound % H % C % 0 Carbonic acid (H,CO;) Acetic acid (CH3COOH) Methanol (CH3OH) 3.2 19.4 77.4 6.7 40.0 53.3 12.5 37.5 40.0 Methanal (H2CO) 6.7 40.0 53.3 Isopropanol (C3H3O) 13.3 60.0 26.7

Percent by Mass of Carbon, Hydrogen, and Oxygen in Selected Compounds Compound % H % C % 0 Carbonic acid (H,CO;) Acetic acid (CH3COOH) Methanol (CH3OH) 3.2 19.4 77.4 6.7 40.0 53.3 12.5 37.5 40.0 Methanal (H2CO) 6.7 40.0 53.3 Isopropanol (C3H3O) 13.3 60.0 26.7

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
Chapter15: Solutions
Section: Chapter Questions
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You have a 125-g sample of one of these substances. You determine that it is made of 16.7 g H, 75.0 g C, and 33.3 g O. Which compound is it?
A. acetic acid           D. methanol
B. carbonic acid       E. isopropanol
C. methanal

Percent by Mass of Carbon, Hydrogen, and Oxygen in Selected Compounds Compound % H % C % 0 Carbonic acid (H,CO;) Acetic acid (CH3COOH) Methanol (CH3OH) 3.2 19.4 77.4 6.7 40.0 53.3 12.5 37.5 40.0 Methanal (H2CO) 6.7 40.0 53.3 Isopropanol (C3H3O) 13.3 60.0 26.7
Transcribed Image Text:Percent by Mass of Carbon, Hydrogen, and Oxygen in Selected Compounds Compound % H % C % 0 Carbonic acid (H,CO;) Acetic acid (CH3COOH) Methanol (CH3OH) 3.2 19.4 77.4 6.7 40.0 53.3 12.5 37.5 40.0 Methanal (H2CO) 6.7 40.0 53.3 Isopropanol (C3H3O) 13.3 60.0 26.7
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