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CBSE - XII Science - Chemistry - Solutions

The vapor pressure of water is 12300 Pa at 27 C. Calculate the vapor pressure of 0.5 M solution of a non dissociating/non associating solute in it.

Asked by lekhakarthikeyan 28th August 2018, 6:29 AM
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CBSE - XII Science - Chemistry - Solutions

Calcualte the mass of a non volatile solute X that should be dissolved in 180g of water to reduce its vapor pressure to 60% where the molar mass of X is 60g/mol.

Asked by lekhakarthikeyan 28th August 2018, 6:27 AM
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CBSE - XII Science - Chemistry - Solutions

sir/madam, the final answer is incorrect .The answer is 359.92

Asked by banga71 19th May 2017, 9:49 AM
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CBSE - XII Science - Chemistry - Solutions

Can you please explain how to calculate e^22.6 = 7 x 10^9 ?
Please reply as soon as possible.

Asked by vidyuti.varma 6th July 2016, 4:36 PM
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CBSE - XII Science - Chemistry - Solutions

Please provide the answer to this question.

Asked by vidyuti.varma 6th July 2016, 12:52 AM
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CBSE - XII Science - Chemistry - Solutions

Is the answer change in case of other solvent of different density

Asked by saxena 23rd April 2016, 12:18 PM
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CBSE - XII Science - Chemistry - Solutions

A solution of NaOH is prepared by dissolving 1.6g of NaOH in 500cm^3 of water. Calculate molarity of the solution. Please explain in dip.

Asked by aadeshpdabre 21st March 2016, 4:47 PM
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CBSE - XII Science - Chemistry - Solutions

Dear Sir, I apologize for asking this type of question . Actually in some numerical we neglect the no of moles of solute in the denominator. And some cases we add the no of moles of solute in the denominator. I need to know when do we take it like that.

Asked by Gishin Rajan 22nd February 2016, 8:07 AM
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CBSE - XII Science - Chemistry - Solutions

An electolyte AB is 50% ionised in aqeous solution. Calculate the freezing point of 1m aqeous solution.

Asked by Navya Benny 24th July 2015, 5:52 AM
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CBSE - XII Science - Chemistry - Solutions

A person having high blood pressure is advised to take less common salt. Explain

Asked by j4jaigupta1998 9th June 2015, 10:02 AM
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