A hydrocarbon contains 82.8 % of carbon and has a relative molecular mass of 58. Determine its
a. Empirical formula

Open in App

Solution

Step 1- Write the given terms
Percentage of Carbon=82.8 %
Percentage of Hydrogen= 100 -82.8 %= 17.2 %
Step 2: Find the empirical formula:
Step 3: Write the result
The empirical formula is C₂H₅

Suggest Corrections

Similar questions

(a) Calculate the empirical formula of the compound having 37.6% sodium, 23.1% silicon and 39.3% oxygen (O = 16; Na = 23; Si = 28).
(b) The empirical formula of a compound is C₂H₅. It has a vapour density of 29. Determine the relative molecular mass of the compound and hence its molecular formula.

Q. A hydrocarbon contains 17.2% of hydrogen and has a relative molecular mass of 58. Its molecular formula is:
(Given: Atomic masses of: C = 12 g, H = 1 g)

Q. a hydrocarbon contains 82.8% of carbon. Find its molecular formula if its vapour density is 29.

A hydrocarbon $X$ contains $85.7 %$ carbon by mass. If the relative molecular mass of $X$ is $28$ , find the molecular formula of $X$ .

Join BYJU'S Learning Program

A hydrocarbon contains 82.8 % of carbon and has a relative molecular mass of 58. Determine its a. Empirical formula

Step 1- Write the given terms Percentage of Carbon=82.8 %Percentage of Hydrogen= 100 -82.8 %= 17.2 %Step 2: Find the empirical formula:Step 3: Write the resultThe empirical formula is C2H5

A hydrocarbon contains 82.8 % of carbon and has a relative molecular mass of 58. Determine its
a. Empirical formula

Step 1- Write the given terms
Percentage of Carbon=82.8 %
Percentage of Hydrogen= 100 -82.8 %= 17.2 %
Step 2: Find the empirical formula:
Step 3: Write the result
The empirical formula is C₂H₅