Question

How would you convert 500 cc of 2M H2SO4 in to
i) gram/liter
ii) Normality ?

Answer 1

Answer:-

(i) 196 g/L

(ii) Normality = 4 N

Explanation:-

Firstly, let's convert the volume of the solution from cc to L.

=> 1cc = 0.001 L

=> 500cc = 500(0.001)

=> 0.5 L

=> Moles of solute = Molarity × Volume

=> Moles of solute = 2×0.5

=> Moles of solute = 1

• Molar mass of H₂SO₄ - 98g

So:-

=> Mass = Molar mass × Mole

=> Mass = 98(1)

=> Mass = 98g

Now, concentration in g/L :-

= Mass/Volume

= 98/0.5

= 196 g/L

We know, Basicisty of H₂SO₄ is = 2

∴ Equivalent mass of H₂SO₄ = 98/2 = 49

Normality:-

= Molarity×Mol.mass / Equivalent mass

= 2×98/49

= 2×2

= 4 N

Thus:-

• Concentration in g/L is 196g/L

• Normality is 4 N.