samuelbonnett161 samuelbonnett161
  • 24-05-2021
  • Chemistry
contestada

What’s the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?

Respuesta :

javeriam javeriam
  • 24-05-2021
The empirical formula is C₃H₃O.

Moles of C = 65.5/12.01
= 5.45 mol C
Moles of H = 5.5/1
= 5.5 mol H
Moles of O = 29.0/16
= 1.81 mol H
Moles of C: Moles of H: Moles of O =5.45: 5.5: 1.81 =
3.01: 3.0: 1 ≈ 3:3: 1
The empirical formula is C₃H₃O.
Answer Link

Otras preguntas

Who will help i give 20 points please help and be sure with answer i need it in 20 minutes
HELP FAST find the value of x.
lets find the sizes of unknown angles​
A poem with a regular rhythm throughout is said to have stanzas rhymes meter character
What is the function of the prepositional phrase We took a walk after lunch -Adverb -Adjective
Please help!Marcy uses a marble launcher to accelerate a 10g marble at a rate of 10 m/s^2. Calculate the size of the force needed tolaunch the marble at a rate
Which is the best example of a compressionforce? Throwing a football - squeezing a stress ball - playing tug of war with friends - making a ballon animal. I thi
What is the value of x,when x+2=0​
12 36 27 Write proportion for the set of simular polygons.
HELP ME NO LINKS :( ........................