Question

Calculate the molarity of pure water (density of water = 1 g ml-1)

Answer 1

Answer:

density of water = 1g/ml

mass of 1000 ml of water =V ×d

= 1000ml × 1g/ml

=1000g

moles of water = 1000/18

=55.55 mol

molarity = moles of solute / litres of solution

= 55.55 /1

=55.55 mol L^-1