a) Using NO2(g) as an example, show with dimensional analysis that the molecular mass and molar mass of a substance are numerically equal but have different units. (b) The number of atoms of oxygen in a 0.01800-g sample of O3(g) is equal to the number of molecules in a 0.06085-g sample of CxH6. Determine the value of x. (c) Vitamin C contains carbon, hydrogen and oxygen only. It is 4.579% by mass of hydrogen. One molecule of vitamin C contains 6 oxygen atoms and 8 hydrogen atoms. Determine the molecular formula of vitamin C.
a) Using NO2(g) as an example, show with dimensional analysis that the molecular mass and molar mass of a substance are numerically equal but have different units. (b) The number of atoms of oxygen in a 0.01800-g sample of O3(g) is equal to the number of molecules in a 0.06085-g sample of CxH6. Determine the value of x. (c) Vitamin C contains carbon, hydrogen and oxygen only. It is 4.579% by mass of hydrogen. One molecule of vitamin C contains 6 oxygen atoms and 8 hydrogen atoms. Determine the molecular formula of vitamin C.
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter5: Stoichiometry
Section: Chapter Questions
Problem 178CP: You take 1.00 g of an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen),...
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(a) Using NO2(g) as an example, show with dimensional analysis that the molecular mass and molar mass of a substance are numerically equal but have different units.
(b) The number of atoms of oxygen in a 0.01800-g sample of O3(g) is equal to the number of molecules in a 0.06085-g sample of CxH6. Determine the value of x.
(c) Vitamin C contains carbon, hydrogen and oxygen only. It is 4.579% by mass of hydrogen. One molecule of vitamin C contains 6 oxygen atoms and 8 hydrogen atoms.
Determine the molecular formula of vitamin C.
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