How to calculate moles

Sodium iodate is treated with calculated amount of sodium bisulphite to prepare one mole of iodine. How many moles of sodium disulphite are required to prepare one mole of iodine form sodium iodate ?

A solution contains 2.80 moles of acetone (CH_(3) COCH)_(3)) and 8.20 mole of CHCl_(3) . Calculate the mole fraction of acetone.

Introduction,Atomic & Molecular Mass,Molar mass & its calculation,mole concept

If the amount of energy requird in the process X to X^(-) is -5 kJ//"mole" then calculate how many energy is required in X to X^(-) process

Basic introduction mole calculation

Show by means of calculations that 5 moles of CO_(2) and 5 moles of H_(2)O do not have the same mass. How much is the difference in their masses ?

Atomic Mass|Molecular Mass|Formula Mass|Molar Mass|Gram Atomic Mass|Gram Formula Mass|Mole|Calculation Of Moles|Important Point|Calculation Of Moles|Summary