Home
Class 12
CHEMISTRY
What is the simplest formula of the comp...

What is the simplest formula of the compound which has the following percentage composition - Carbon 80%. Hydrogen 20% ? If the molecular mass is 30, calculate its molecular formula.

Text Solution

AI Generated Solution

To solve the problem step by step, we will first determine the simplest (empirical) formula from the percentage composition and then use the molecular mass to find the molecular formula. ### Step 1: Write down the percentage composition - Carbon (C): 80% - Hydrogen (H): 20% ### Step 2: Convert percentages to grams Assuming we have 100 grams of the compound: ...
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    AAKASH INSTITUTE ENGLISH|Exercise TRY YOURSELF|60 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION A (Objective Type Questions (One option is correct))|46 Videos

  • SOME BASIC CONCEPT OF CHEMISTRY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT( SECTION - D) Assertion-Reason Type Questions|15 Videos

  • STATES OF MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION-D)|14 Videos

Similar Questions

Explore conceptually related problems

A hydrocarbon contains 17.2% H. If the vapour density is 29, calculate its molecular formula.

A compound has the following percentage composition by mass: Carbon - 54.55%, Hydrogen - 9.09% Its vapour density is 50. Find the Empirical formula. (H = 1; C = 12; O = 16).

Determine the empirical formula of a compound containing Nitrogen = 87.5% and Hydrogen = 12.5%. If the molecular mass is 32. Find its molecular formula.

A compound has the following percentage composition by mass : Carbon = 54.55%, Hydrogen = 9.09% and Oxygen = 36.26%. Its vapour density is 44. Find the Empirical and molecular formula of the compound. (H = 1, C = 12,0 = 16)

A compound has the following percentage composition : C = 40%, H = 6. 7%, O = 53.3%, the vapour density of the compound is 30. Calculate its molecular formula (C = 12, H = 1, O = 16).

A crystalline compound when heated became anhydrous by losing 51.2 % of the mass. On analysis, the anhydrous compound gave the following percentage composition: Mg = 20.0 %, S = 26.66 % and O = 53.33 %, Calculate the molecular formula of the anhydrous compound and crystalline compound. The molecular mass of anhydrous compound is 120 u.

Find the empirical form~a of a compound of carbon and hydrogen which contains 80% carbon. If the molecular weight of the above compound is 30, what is its molecular formula ?

The compound A has 26.7% C, 71.1% O and 2.2%H. if the relative molecular mass of A is 90, what is the molecular formula of A

A compound on analysis gave the following percentage composition by weight: hydrogen = 9.09, oxygen = 36.36 carbon = 54.55 Its VD is 44. Find the molecular formula of the compound.

A moth repellent has the composition 49% C, 2.7%H and 48.3% Cl . Its molecular weight is 147 gm. Determine its molecular formula