Question

If 9.8gm h2so4 is dissolved in 100ml of water than find molarity

Answer 1

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Molar mass of H₂SO₄ = 98g

No. of moles of H₂SO₄ = 9.8/98 = 0.1

Volume of water= 100 ml = 100/1000 = 0.1

Now, molarity = no. of moles of solute/volume of solution in litres

=> 0.1/0.1 = 1 M

So, molarity = 1 molar