Calculate the radius of a water molecule assuming to be spherical (density of water = 1 g ml ^(-1)

Density of water is

Calculate the actual mass of a water molecule in gram?

The molarity of pure water (density of water= 1g ml^-1 )

Calculate the number of molecules in 1ml of O2 at NTP.

4 . 0 g of NaOH are contained in one decilitre of a solution. Calculate the molarity and molality of this solution . (Density of solution = 1 . 038 g mL^(-1) )

Calculate number of molecules in 1ml of CO2 at NTP.

What is the number of water molecules contained in a drop of water weighing 0.06g?

Calculate the boiling point of a one molar aqueous solution of KBr (density 1.06g mL^-1) . ( K_b for water= 0.52kgmol^-1 , atomic masses: K=39, Br=80)

Calculate the total number of atoms in 18g of water.