List of top Chemistry Questions on Mole concept and Molar Masses asked in MET

A gaseous compound having carbon, hydrogen and oxygen was burnt in the presence of oxygen. After combustion, 1 volume of the gaseous compound produces 2 volumes of CO\(_2\) and 2 volumes of steam. Determine the molecular formula of the compound, if all the volumes were measured under the same conditions of pressure and temperature.

A silicon chip used in an integrated circuit of a computer has a mass of 5.68 mg. The number of Si atoms present in this chip are

Cost of sugar (C\(_{12}\)H\(_{22}\)O\(_{11}\)) is ₹ 50 per kg. Calculate its cost per mol.

A man writes his biodata with a carbon pencil on plane paper having a mass of 150 mg. After writing his biodata, he weighs the written paper and finds its mass is 152 mg. What is the number of carbon atoms present in the paper?

How many moles of \(\mathrm{Al}_2(\mathrm{SO}_4)_3\) would be in \(50\mathrm{g}\) of the substance?

One mole of $CO₂$ contains ________.