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The final molarity of a solution made by...

The final molarity of a solution made by mixing 50 mL of 0.5 M HCl, 150 mL of 0.25 M HCl and water to make the volume 250 mL is

A

0.5 M

B

1M

C

0.75 M

D

0.25 M

Text Solution

Verified by Experts

The correct Answer is:
D
`M_1V_1+M_2V_2=MV`
`=0.5xx50xx0.25xx150=Mxx250`
`M=(25+37.5)/(250)=0.25M`
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