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 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

12/2 as a whole number or mixed number
what is an repeated decimal equivalency to the fraction 8/9
Evaluate 14.3 + 8.2 x 30
Diffusion occurs because of the ________________________ of molecules.
which number between 20 and 29 has 2 and 3 in its prime factorization?
Which number line shows 1/3 and it's opposite
Evaluate 14.3 + 8.2 x 30
write the ratio as a fraction in simplest form6ft to 4yd
Which digit in the number 53,941 would be changed to form 58,941? How would the value of 53,941 change?
How do you write 8.59 in word form