The molarity of a solution obtained by m...

The molarity of a solution obtained by mixing 750 mL of 0.5 (M) HCl with 250 mL of 2(M)HCl will be:

A

`0.875 M`

B

`1.00 M`

C

`1.75 M`

D

`0.0975 M`

Text Solution

Verified by Experts

The correct Answer is:

A

Since total moles of HCl is conserved
`M_(1)V_(1) + M_(2)V_(2) = M_(f)V_(f)`
`0.5 xx 750 + 2 xx 250 = M_(f) (750 + 250) :. M_(f) = (875)/(1000) = 0.875 M`

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