contestada

A hydrocarbon was found to contain 82.8% by mass of carbon. It has
an Mr of 58. Find the empirical and molecular formulas of this
compound.

Respuesta :

Answer: C4H10

Explanation: [tex]\left \{ {{12x+y=58} \atop {\frac{12x}{58} =82,8%}} \right. \\[/tex]%

==> x=4, y=10    C4H10