Respuesta :

You want to make 1 litre of .5 M HCl solution. How many moles of HCI do you need :

Explanation:

Molarity

It is defined as number of moles of solute present in 1 litre of solution ,

Its formula is given as :

Molarity = number of moles /volume of solution

M=n/V

Unit = moles /litre

In the above question asked , it is given that :

The  molarity of solution = .5M HCl

Volume of solution = 1 litre

moles of HCl=?

M=No. of moles /volume of solution

.5=no. of moles /1

or, number of moles =0.5

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