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CBSE Class 12-science Answered

calculate the molarity of a solution containing 5g of NaOH in 450ml solution
Asked by siddhaashu8 | 12 Sep, 2020, 06:11: PM
answered-by-expert Expert Answer
Molarity can be calculated by-
Molarity equals fraction numerator Mass space of space solute over denominator Molar space mass space of space solute cross times Volume space in space straight L end fraction space space space space space space space space space space space equals fraction numerator 5 cross times 1000 over denominator 40 cross times 450 end fraction space space space space space space space space space space equals 5000 over 18000 space space space space space space space space space space equals 0.27 space straight M
Answered by Ravi | 13 Sep, 2020, 10:59: 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
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
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
what is mole fraction
Asked by shamiyaali732 | 26 Sep, 2023, 02:00: AM
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CBSE 12-science - Chemistry
what is titration
Asked by elabarman58 | 23 Jan, 2023, 09:39: AM
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CBSE 12-science - Chemistry
what is molarity
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Asked by gauravrastogi577 | 16 Aug, 2022, 06:18: PM
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CBSE 12-science - Chemistry
what is molarity
Asked by gauravrastogi577 | 16 Aug, 2022, 06:17: PM
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CBSE 12-science - Chemistry
calculate the mass percentage of benzene and carbon tetrachloride. if 22g of benzene is dissolved in 122g of ccl4?
Asked by shiv.pama83 | 27 Nov, 2021, 05:50: AM
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CBSE 12-science - Chemistry
NaCl is 100 % ionized in 0.02 molal aqueous solution. hence the ratio of elevation in boiling point to molal elevation constant is : 
Asked by mdarsadazizh | 31 Aug, 2021, 01:02: PM
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