Question

A solution is prepared by dissolving 20 g of nacl in 200 ml water . Find the concentration of solution

Answer 1

We know 1 gram = 1 ml

So, 200 ml=200gm

According to formula:

Mass%=(mass of nacl)/(total mass)×100

So it will be

20/200×100

Which is equal to [10%].

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Answer 2

Mass%=mass of nacl /total mass so, 20/200*100 =10%