antoninacalcotelara antoninacalcotelara

03-01-2021
Chemistry

contestada

What is the molecular formula of the compound with a molecular weight of 112 g/mol and percent composition: 85.6% C and 14.4% H?
Select one:
a.C2H4
b.CH2
c.C4H8
d.C8H16

Respuesta :

ChoiSungHyun ChoiSungHyun

03-01-2021

Explanation:

Mass of C = 112g * (85.6/100) = 95.87g

Moles of C = 95.87g / (12g/mol) = 8

Mass of H = 112g * (14.4/100) = 16.13g

Moles of C = 16.13g / (1g/mol) = 16

Hence the compound is C8H16. (D)

Answer Link

Otras preguntas

Waves that move matter back and forth are called a.transverse waves b.longitudinal wave c. Medium wave

A vaccine a. can be harmful because it contains pathogens such as viruses. b. contains a changed pathogen, so the pathogen is no longer harmful. c. provokes a r

A man walks 15 blocks to work every morning at a rate of 2 miles per hour. If there are 20 blocks in a mile, how long does it take him to walk to work?

What does it mean to say that momentum is conserved?

Eric receives a weekly salary of $200 plus a 10% commission on all sales. Last week,Eric had a total of 2,500 in sale.How much total money did Eric make last we

Substitution method 1) 3x + y = 7 4x + 2y = 16 2) 2x + 2y = 4 X - 2y = 0

Two long tubes of muscle that lead from the stomach and help absorb food are the _____ and the_________ .

Anne has 24 more cards than Devi. Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards. How many cards does Anne have?

A child throws a ball up in the air to a height of 3.5 m and catches it at the same point from which he threw it. The ball is in the air for a total of 1.7 s. W

What is "la pista de pogo" mean in Spanish