Question

The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. The molar mass of this compound is 284.5 g/mol. What is the molecular formula of the compound?

answer choices

C10H6O

C9H18O

C18H36O2

C20H12O2

C16H28O4

Expert Answer

Want to see the step-by-step answer?

See Answer

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

See Answer
*Response times vary by subject and question complexity. Median response time is 34 minutes and may be longer for new subjects.
Tagged in
ScienceChemistry

General Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: Enter your answer in the provided box. The radius of a copper (Cu) atom is roughly 1.3 ×10−10 m. How...

A: Number of atoms in given piece of copper wire is calculated as,

Q: 1. Estimate the flux (mg/cm^2/s) by diffusion of a hydrophobic anti-cancer drug through a lipid bila...

A: Given:Diffusion coefficient for steroid in the lipid bilayer is 2x10-6 cm2 /sConcentration is 2 ng/m...

Q: Calculate each of the following temperatures: a. 58.0°C to in kelvins b. -89.2°F to Celcius

A: (a)The given temperature can be converted from degree Celsius to Kelvins as follows:

Q: show calculation setups and answers for the following problem:  convert 15 nm into km

A: Given,15 nm.

Q: Hello I'm having some difficulty with vesper structures once I have the dot structure and name of th...

A: Molecule shapes can be predicted based on Lewis dot structure using the VSEPR theory. VSEPR stands f...

Q: The isomerization reaction, CH3NC → CH3CN, is first order and the rate constant is equal to 0.46s-1 ...

A: Rate constant, k = 0.46 s-1Time, t = 0.2 min = 0.2 x 60 s = 12 sInitial concentration, A0 = 0.10 M

Q: 1.10 ments:(a) čestu (d) strontium, (e) uranium, (f) selenium, (g) neon, (h) cadmium. (See Table 1.1...

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: A solution of an unknown acid was prepared by dissolving 4.168 g of the solid acid in enough DI wate...

A: Given:Mass of acid = 4.168 g of the solid acidVolume of solution = 500.0 mLVolume of NaOH = 23.47 mL...

Q: Why a piece of wood is a mixture?

A: Wood is a substance made up of cellulose, hemicelluloses, and lignin.