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

Researchers in egypt believe they might have located two hidden rooms inside of what 4,500-year-old structure?

What is |4|? A. –4 B. 0 C. 2 D. 4

How did the Umayyad unite the many lands and people of Muslim empire

Which climate zone has the greatest change in temperature between winter and summer months?

The term "temperature range" refers to: A. the hottest and coldest temperatures recorded in a location. B. the average temperature of a location. C. the usual t

1. The _______ is the brain of the computer. It runs computer programs. (Select the best answer.) Hard drive FireWire RAM CPU

which of these artistic works did leonardo da vinci contribute to the renaissance

Select the true statement about French-speaking people: It is against the law to have more than one pet. You are allowed only one type of pets per family. Y

Which is the best way to treat poison on the skin? I know the answer cant be B A. Rinse the skin off in water for 5 minutes B. Rub the affected skin with alcoho

describe how you would conduct a search for a single record.