1.

Find out mlarity of solution on addition of 200 mL of water in 500 mL of 0.2 M solution.

Answer»

0.501 M
0.02847 M
0.709 M
0.1428 M

SOLUTION :Milimole `= 500xx0.2=100`
`THEREFORE M=(100)/(700)=0.1428 M`


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