21. A compound contains 70.6% carbon, 5.9% H, and 23.5% O by mass. The molecular weight of this compound is 136 amu. What is the molecular formula? a) C3H8O2 b) C3H40 c) C4H40 d) C9H12O e) C5H6O2
21. A compound contains 70.6% carbon, 5.9% H, and 23.5% O by mass. The molecular weight of this compound is 136 amu. What is the molecular formula? a) C3H8O2 b) C3H40 c) C4H40 d) C9H12O e) C5H6O2
Chapter4: Molecules, Compounds, And Chemical Reactions
Section: Chapter Questions
Problem 32E: The formula mass of an unknown compound containing only C and H is 70.1 amu. What is its molecular...
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![21. A compound contains 70.6% carbon, 5.9% H, and 23.5% O by mass. The molecular
weight of this compound is 136 amu. What is the molecular formula?
a) C3H8O2
b) C3H40
c) C4H40
d) C9H120
e) C5H602](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84045cd4-4cc7-42f0-85df-b88a3ce5be5f%2F0a2c3019-5fac-4fba-a414-69fbc930bbee%2Fuhjj8i_processed.png&w=3840&q=75)
Transcribed Image Text:21. A compound contains 70.6% carbon, 5.9% H, and 23.5% O by mass. The molecular
weight of this compound is 136 amu. What is the molecular formula?
a) C3H8O2
b) C3H40
c) C4H40
d) C9H120
e) C5H602
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