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25 mL of a solution of barium hydroxide ...

25 mL of a solution of barium hydroxide on titration with a 0.1 molar solution of hydrochloric acid gave a titre value of 35 mL. The molarity of barium hydroxide solution was

A

0.07

B

0.14

C

0.28

D

0.35

Text Solution

Verified by Experts

The correct Answer is:
A
`Ba(OH)_2 + 2HCl to BaCl_2 + 2H_2O`
`(M_1V_1)/n_1 = (M_2V_2)/n_2`.
`(M_1xx25)/1 = (0.1xx35)/2 implies M_1 = (0.1xx35)/(2 xx 25)=0.07 M`
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