An organic substance containing carbon, hydrogen and oxygen gave following percentages, C= 40.68%, `H_(2)`= 5.085% and `O_(2)`= 54.22%. The vapour density of the compound is 59. Calculate 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.

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.

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.

An organic compound has the following percentage composition : C= 48%, H= 8% N= 28% and rest of oxygen. Calculate the empirical formula of the compound.

Write the empirical formula of the following compound having the molecular formula C2H2.

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 inorganic substance on analysis gave the following results Na = 29.1% S = 40.5% and O = 30.4% . Calculate its empirical formula.

An inorganic salt gave the following percentage composition : Na= 29.11%, S= 40.51% and O= 30.38%. Calculate the empirical formula of the salt. (At. Mass Na= 23, S=32)

Calculate the percentage composition of C2H5OH.

Concentrated H_(2)SO_(4) has a density 1 . 9 g/mL and is 99% H_(2) SO_(4) by mass. Calculate the molarity of the acid