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CBSE Class 12-science Answered

determine the molarity of an antifreeze solution containing 250g water mixed with 222g of ethylene glycol. the dencity of soluation is 1.07gmol^-1
Asked by Sunny Acharjee | 13 Jan, 2013, 11:38: AM
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Answered by | 15 Jan, 2013, 11:56: AM

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CBSE 12-science - Chemistry
The vapour pressure of pure liquids A and B are 450 and 700 mm Hg respectively, at 350 K. Find out the composition of the liquid mixture if total vapour pressure is 600 mm Hg. Also find the composition of the vapour phase.
Asked by hannamaryphilip | 17 Apr, 2024, 11:20: PM
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CBSE 12-science - Chemistry
120 GM Naoh is dissolved in 3dm³ aqcus solution find out its molarity and normality
Asked by sameerteli003 | 08 Apr, 2024, 11:48: PM
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CBSE 12-science - Chemistry
Why are equimolar solutions of sodium chloride and glucose not isotonic?
Asked by rashmij34 | 27 Feb, 2024, 04:42: PM
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CBSE 12-science - Chemistry
At the same temperature, CO2 gas is more soluble in water than O2. Which one of them will have a higher value of KH, and why?   
Asked by sagarmishra | 27 Feb, 2024, 04:01: PM
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CBSE 12-science - Chemistry
The formula of degree of dissociation
Asked by kalandi.charan.407 | 08 Feb, 2024, 01:42: PM
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CBSE 12-science - Chemistry
state of phenomenon of osmosis
Asked by premkhare2006 | 24 Jan, 2024, 09:50: AM
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CBSE 12-science - Chemistry
5g of NaOH is dissolved in 500ml of water. find the molarity of the solution
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Asked by saritanohar22 | 13 Jan, 2024, 01:25: PM
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CBSE 12-science - Chemistry
A 10% solution of urea ( molar mass 60) is found to be isotonic with a 5% solution of an unknown non-electrolyte substance.The molecular mass of unknown substance is (a) 40% (b) 50% (c) 45% (d) 30%
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Asked by kaushikmisty07 | 31 Dec, 2023, 11:42: AM
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CBSE 12-science - Chemistry
उस विलयन कि मोलरता की गणना कीजिए जिससे 5 ग्राम NaoH 450 ML विलियन में घुला हुआ है
Asked by kamlesh.kumar.malee | 20 Dec, 2023, 06:59: AM
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CBSE 12-science - Chemistry
The boiling point of benzene is 353.23k. When 1.80g of a non-volatile solute was dissolved in 90g of benzene , the boiling is raised to 345.11k. Calculate the molar mass of solute (kb=2.53kg mol-1)
Asked by varinder2149 | 10 Dec, 2023, 08:21: PM
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