Question

Q. 10g of NaCl is present in 100ml of solution. Find w/w℅ . If density of solution is 1.2g/ml ?
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plz answer kro yr...​

Answer 1

Answer:

Explanation: Since w/w%=(weight of solute /weight of solution )×100

Now, weight of solution =density of solution× volume of solution=1.2×100=120g

So w/w%=(10/120)×100=25/3%=8.333%

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