1.

200 mL of water is added to 500 mL of 0.2 M solution. What is the molarity of the diluted solution ?

Answer»

0.5010 M
0.2897 M
0.7093 M
0.1428 M

Solution :`M_(1)V_(1)-=M_(2)V_(2)`
`0.2Mxx500-=M_(2)xx700`
`M_(2)=((0.2M)xx500)/(700)=0.1428M`


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