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Physical Chemistry

Scorching goIITian

Joined:	18 Jul 2007
Post:	254

6 Apr 2008 00:58:17 IST

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443

wanted to cfirm ans is 1 right

None

25 ml of a solution of barium hydroxide on titration with 0.1 molar solution of hydrochloric acid gave a

litre value of 35 ml. The molarity of barium hydroxide solution was

(1) 0.07

(2) 0.14

(3) 0.28

(4) 0.35

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Comments (5)

Anish Sinha

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Joined: 10 Feb 2008

Posts: 57

6 Apr 2008 01:03:27 IST

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ans is (1). apply M1V1 = M2V2.

Manjot Pahwa

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Posts: 254

6 Apr 2008 01:04:48 IST

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u mean n1m1v1=n2m2v2 right

Anish Sinha

Cool goIITian

Joined: 10 Feb 2008

Posts: 57

6 Apr 2008 01:08:01 IST

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what is n1 in ur eq?? i hv done it like this
0.1x0.025 = M2x0.035

Manjot Pahwa

Scorching goIITian

Joined: 18 Jul 2007

Posts: 254

6 Apr 2008 01:12:04 IST

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what i mean is
2*0.025*m1= 1*0.035*0.1
n stands for no of electrons exchanged per mole or n factor

Anish Sinha

Cool goIITian

Joined: 10 Feb 2008

Posts: 57

6 Apr 2008 01:16:03 IST

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ans is coming na. do by any method yaar. main aim is to get the ans. so u r right as well. cheers.

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