A compound consists of 40.00% C, 6.713% H and 53.28% O on a mass basis and has a molar mass of about 180 g/mole. Determine the molecular formula of the compound.

The molecular formula of the compound is .

Explanation:

Let the molecular formula of the compound is .in

Molar mass of compound = 180 g/mol

Number of carbon atom = x

Number of hydrogen atom = y

Number of oxygen atom = z

Atomic mass of carbon = 12 g/mol

Atomic mass of hydrogen = 1 g/mol

Atomic mass of oxygen = 16 g/mol

Percentage of element in compound :

Carbon :

x = 46

Hydrogen :

y = 12

Oxygen:

z = 5.99 ≈ 6

The molecular formula of the compound is .

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante