An acid of molecular mass 104 contains 34.6% carbon, 3.85% hydrogen and the rest is oxygen. Calcualte the molecualr formula of the acid.

An organic monobasic acid was found to contain 39.5% carbon, 6.4% hydrogen and the rest oxygen. If the equivalent mass of the acid is 60, find out its molecular formula.

A compound contains 32% carbon, 4% hydrogen and rest oxygen. Its vapour density is 75. Calculate the empirical and molecular formula.

The molecular mass of an organic compound is 78 amu is known to contain 92.31% of carbon and 7.69% of hydrogen. Determine the ermpricial and molecular formula of the compound.

A compound has the following percentage composition. Carbon 80%, Hydrogen 20%? If the molecular mass is 30, Calculate the molecular formula.

An organic compound on analyis found to contain 92.3 % carbon and 7.7% hydrogen. It vapour density is 39. Find its molecular formula.

Nitrobenzene is formed as the major product along with a minor product in the reaction of benzene with a hot mixture of nitric acid and sulphuric acid. The minor product consists of carbon 42.86% , hydrogen 2.40% , nitrogen 16.67% and oxygen 38.07% . a. Calculate the empirical formula of the minor product.

One volume of a gaseous compound containing carbon, hydrogen, and oxygen was burnt in the presence of 2 volumes of oxygen. The resultant gases contained 2 volumes of carbon dixoide and 2 volumes of steam. Find the molecular formula of the compound, if all the volume were measured under the same conditions of temperature and pressure.

What is the simplest formula of the compound which has the following percentage composition: carbon 80%, Hydrogen 20%, If the molecular mass is 30, calcualte its molecular formula.

Carbohydrates are compounds containing only carbon, hydrogen and oxygen having the atomic ratio of H : O as 2 : 1 . When heated in the absence of air, these compounds decompose to form carbon and water. a. If 310 g of a carbohydrates leaves a residue of 124 g of carbon on heating in absence of air, whatis the empirical formula of the carbohydrate? If 0.0833 mole of hte carbohydrate contains 1.0 g hydrogen , what is the molecular formula of the carbohydrate?