A gaseous compound is composed of `85.7%` by mass carbon and `14.3%` by mass hydrogen. Its density is `2.28` g/litre at `300 K and 1.0` atm pressure. Determine the molecular formula of the compound.

A compound on analysis gave the following results C = 54.54% , H=9.09% and rest is oxygen and vapour density of the compound = 88. Determine the molecular formula of the compound.

A certain non-volatile electrolyte contain 40% carbon, 6.7% hydrogen and 53.3% oxygen.An aqueous solution containing 5% by mass of the solute boils at 100.15^(@) C. Determine molecular formula of the compound( K_(b) =0.51^(@)C//m ):

An organic compound on analysis gave the following percentage composition of C= 57.8, H= 3.6 and the rest is oxygen. Vapour density of the compound is 83. Find out the molecular formula of the compound.

On strongs heating, One gram of the silver salt of an organic dibasic acid yields 0.5934 g of silver. If the mass percentage of carbon in it 8 times the mass percentage of hydrogen and one - half the mass percentage of oxygen, determine the molecular formula of the acid.

A compound containing carbon, hydrogen and oxygen gave the following analytical data C= 40.0%, H= 6.67%. Calculate the molecular formula of the compound, If its molecular mass is 180.

Find the empirical formula of a compound containing 17.7% hydrogen and 82.3% nitrogen.

35 g of compound is added in 1 kg of water so that the resulting solution freezes at - 10^(@) C . If K_(f) for water = 1. 86 K/m . Calculate the molecular mass of the compound

11.6g of an organic compound having formula C_n H_(2n+2) is burnt in excess of O_2(g) initially taken in a 22.41 litre steel vessel. Before reactio0n the gaseous mixture was at 273K with pressure reading 2 atm. Aftercomplete combustion and loss of considerable amount of heat, the mixture of product and excess of O_2 had a temperature of 546K and 4.6 atm pressure. The formula of organic compound is :

18 g of a compound is dissolved in 10 kg of water so that the resulting solution freezes at - 8^(@) C . If K_(f) for water = 1 . 86 K/m . Calculate the molecular mass of the compound

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 ?