The number of moles of a substance are given by

The number of moles in 180 g of water is

In the Hofmann bromamide degradation reaction, the number of moles of NaOH and Br_2 used per mole of amine produced are

Consider a titration of potassium dichromate solution with acidified Mohr’s salt solution using diphenylamine as indicator. The number of moles of Mohr’s salt required per mole of dichromate is

The number of moles of nitrogen atom in 56 g nitrogen is

Stannous sulphate (SnSO_(4)) and potassium permanganate are used as oxidising agents in acidic medium for oxidation of ferrrous ammnium sulphate to ferric sulphate. The ration of number of moles of stannous sulphate required per mole of ferrous ammonium sulphate to the number of moles of KMnO_(4) required per mole of ferrous ammonium sulphate, is:

The number of moles of nitrogen atom in 18.066 (10*23) nitrogen atom is :

The number of moles of NaCl in 3 litres of 3 M solution is:

The number of moles of NaCl in 5 liters of 5M solution is: