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20 g of common salt is dissolved in 180 ...

20 g of common salt is dissolved in 180 g of water. What is the mass oercentage of the salt in the solution ?

A

0.05

B

0.09

C

0.1

D

0.15

Text Solution

Verified by Experts

The correct Answer is:
C
Mass of solute (salt) =20 g
Mass of solvent (water) =180g
Mass of solution =20 + 180= 200g
Concentration =mass of solute `//` mass of solution x 100
`=20 xx 100//200 =2000//200=10%`
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