The Molality of a solution containing 5.3gm of anhydrous Na2 Co3 in 200gm of Water.
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Mass of Na2Co3 is 106 g.
Molarity is no. Of moles in 1kg of solvent and that solvent is water.
No. Of moles =(5.3 ×10^-3)
÷106=1/200
Molality=1/200×0.2..... (200÷1000)
=1/40=0.025M
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