`4*0` g of caustic soda (Mol. Mass 40) contains same number of sodium ions as are present in

4.0 g of caustic soda (NaOH) contains same number of sodium ions as are present in :

4.0 g of caustic soda (NaOH) contains same number of sodium ions as are present in :

40 g of caustic soda contain :

4.0 grams of caustic soda contain

What is the number of ions present in "1 mol ion"?

Calculate mass of sodium which contains same number of atoms as are present in 4 g of calcium (Atomic weight Na = 23 , atomic weight Ca = 40 )

Calculate mass of sodium which contains same number of atoms as are present in 4 g of calcium (Atomic weight Na = 23 , atomic weight Ca = 40 )

Calculate mass of sodium which contains same number of atoms as are present in 4 g of calcium (Atomic weight Na = 23 , atomic weight Ca = 40 )

Calculate the mass of sodium which contains same number of atoms as are present in 15 g of calcium (at. mass of Ca = 40, Na = 23).