2024-25 Session: 12th Chemistry - Lec 02 : Mole Fraction , molarity & molality | Solution (विलयन)

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Right 👍👍

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Homework
1) 0.01 mol/ liter
2) 0.55 mol/kg
Thankyou guru jii 😊♥🥰

[@shankarlalmeena153]

2 kese hoga batana sis

[@TRIKNESSMIND]

​@@shankarlalmeena153kya 2 sahi to hai

[@PiyushGupta-ne8jh]

Same

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Mole ka matalab kya hota hai

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Sahi,h🎉🎉🎉

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[@Yuvank14]

Thank you sir 😊
Home work
1..... 1/100 mol/litre
2..….10/18 mol/kg

[@AKsscwala]

2nd (0.555m)

[@itzz_Faizan007]

2nd 0.555....

[@itzz_Faizan007]

1st 0.1......

[@pg6150]

Yess....​@@AKsscwala

[@Himani_Rajput_]

●मोल अंश ( Mole Fraction) -
A के मोल= Na
B के मोल = Nb
विलयन के कुल मोल = Na+ Nb
📍A के मोल अंश Xa = Na/ Na+ Nb
📍B के मोल अंश Xb = Nb/ Na+ Nb
📍Xa + Xb = 1
●मोलरता ( Molarity) - विलयन के एकांक आयतन(1L) मे उपस्थित विलेय के मोलो की संख्या को विलयन की मोलरता कहते हैI
M = विलेय के मोल / विलयन का आयतन ( L)
●मोलालता ( Molality) - 1kg विलायक मे उपस्थित विलेय के मोलो की संख्या मोलालता कहलाती हैं l
📍इसे m से प्रदर्शित करते है l
📍m = विलेय के मोल/ विलायक का द्रव्यमान (kg मे)

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Sir aaj ki Class me bahut mja aaya Aaj ka Home Work == Ans 1 == M =0.01M
Ans 2 m=0.55 m
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Aapne ye kaise solve Kiya kya aap mujhe bta sakte h please

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But kaise batau ????

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Sir, Today's homework 🤗
Ans no 1=0.01M and
Ans no 2=0.55m
Thanks alot sir ❤❤

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Kya aap mujhe ek baar ans-2explain kar sakte h

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1Ans- 0.01 mole/litre
2Ans- 0.83 mole/litre

[@KrishnaYadav-v1d5k]

Aree bhai dusare ka answer 0.556 hai

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Answer(a) 0.01M
Answer(b) 0.55m😊

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(b).5.55m

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Thank you sir really aap bhut achchha padhate Ho sb basic topics clear hota hai aapke class me 😊😊 thankyou 😊

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Sir class bahut achi thi all doubts are clear thank you so much sir jii 🙏🏻

[@pritimaurya911]

Hw ans..(1) molarity= 0.01 mole/ litre ya 0.01M ..
(2)molality= 10/ 18 m ya 0.55 mole/ kg..

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Sir aap bahut achha padate hai.meri padhai me kafi improve hua h thanks you sir

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sir apne 51:08sec par answer 0.2 likha par 0.02 aayega thanku sir apne badiya samjaye

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Bhai sahi toh kiya h sir ne

[@P.m.995]

H.w.
Q.1 - answer -0.01M
Q.2-answer 0.55m

[@Pavan_Bhargav]

H.W
Q.1- answer= 1M
Q.2-answar=0.56m
😂😂

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❤❤❤sur aap bahut acha padhate ho
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[@Aslian_vikash_Force_4.0]

Home work :-
1Q =0.01M
2Q=0.54M

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Aaj to lecture 2 padhke chemistry feel ho gyi numerical banake ,,bahut maja aaya question krke ,,aap bahut aache se btaye ,, thankyou so much guruji 🙏🙏

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Home work (1)=0.01M ans..and (2)=0.55m ans.. Aaj ki class bahut achhi thi thanks sir 🙏😊

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(i) molarity = 0.09.
(ii) molality=0.55 .

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43:36 sir answer is 10-²M
51:31 answer is 0.18m...
Am I right sir ?
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Or sir bs ek problem h calculation nhi hopati .. ap thoda calculation b krke dikhaiye ... please sir..

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Homework
1- 0.01mole/let
2-0.55 mole /kg

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Ans1= 0.01M,Ans2=0.55/0.56m❤❤

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