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

Each tree in the orchard had exactly 118 apples on it. The number of apples in the whole orchard was 2,242. How many apple trees were in the orchard?

Which of the following is not an endangered species? A. giant otter B. gray whale C. black rhino D. Caribbean monk seal

When the production manager finds the average life of her battery-lifetime data, this is an example of what phase of inferential statistics? . A) Probability-b

Write an equivalent expression for t=3.79x

How many nitrogen bases are read at a time?

In a candy bar, 165 calories are from sugar. There are 250 calories in the candy bar. What percent of the calories are from sugar?

How many times did the planet mercury rotate per earth year

Write few points on how text messaging has caused the deterioration of proper English usage

How do I graph the cube of x plus 5?

Chandragruptas construction of roads and harbors most clearly demonstrated the importance of what aspect of governance? a)public services b)trade regulat