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    • Posted by Sulekha Maurya 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Sulekha Maurya 1 year, 5 months ago

    Hhehdhd

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    • Posted by Ragini Ragini 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Ragini Ragini 1 year, 5 months ago

    Molecular formula=n×Empirical formula N=mol. Wt /mass of EF VD Molecular weight=2×VD =2×15 Molecular weight=30 Total %= [100 -(40+6.66 )]=%of oxygen 100= 100 - 46.66 = 53.34% Atomic mass percent. C. 12. 40 H. 1. 6.66 O. 10. 53.34 At. Ratio. Simple ratio 40\12 =3.33. 3.33\3.33 6.66\1=6.66. 6.66\3.33 53.34\16=3.33 3.33\3.33 C:H:O =1:2:1 Empirical formula=CH2O Mass = 12+(1+2)+16 = 30 N= mol. Wt\mass of EF = 30\30=1 Then, Molecular formula=1×CH²O CH²O

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    • Posted by Aryan Kumar 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Ayushi Tripathi 1 year, 5 months ago

    Mass of one electron is 9.1×10−28gm So mass of one mole of electronis (6.02×1023)×(9.1×10−28) = 0.55×10−3 gm =0.55mg

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    • Posted by Sameer Ahmed 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Srishti Thakur 1 year, 4 months ago

    1 lyman uv rays

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    • Posted by Nancy Rana 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Sandeep Jha 1 year, 5 months ago

    This is a very better questions but the discovery of radioactivity in 1 March 1896 Henri bacquerel

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    • Posted by Aмιт Ꭾ𝙰𝙷𝙰𝙳𝙸 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Harshika . 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 2 answers

    Aмιт Ꭾ𝙰𝙷𝙰𝙳𝙸 1 year, 5 months ago

    All other light is also wavelength but they are bend away at angle..

    0Thank You

    Aмιт Ꭾ𝙰𝙷𝙰𝙳𝙸 1 year, 5 months ago

    Because red light have larger wavelength red light is seen from the far..🥺

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    • Posted by Kishanvir Kishanvir 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Harshika . 1 year, 5 months ago

    Radiation with greater frequency than Vo (minimum frequency) when strike on a metal surface then electon are ejected out of metal surface. This phenomenon is called photoelectric effect

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    • Posted by Biky Das 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Aryaman Maurya 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Thakur Nitin Singh 1 year, 5 months ago

    CBSE > Class 11 > Chemistry
    • 3 answers

    Alok Yadav 1 year, 4 months ago

    55.847

    0Thank You

    Arya.N_77 . 1 year, 5 months ago

    56μ

    0Thank You

    Aryaman Maurya 1 year, 5 months ago

    56u

    1Thank You

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    • Posted by Anurag Yadav 1 year, 6 months ago

    CBSE > Class 11 > Chemistry
    • 2 answers

    Shilpi Kumari 1 year, 5 months ago

    Unit

    0Thank You

    Harshika . 1 year, 5 months ago

    Unit

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    • Posted by Manish Kumar 1 year, 6 months ago

    CBSE > Class 11 > Chemistry
    • 2 answers

    Vikas Jha 1 year, 6 months ago

    Fe203

    0Thank You

    Ankit Sharma 1 year, 6 months ago

    Very good

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    • Posted by Zainab Ara 1 year, 6 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Sonali Singh 1 year, 6 months ago

    No. Of moles = weight/molar mass Molar mass of daimond=12 0.1=weight (g)/12 Weight of daimond=1.2g

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    • Posted by Durgesh Kuntal Nishantkuntal 1 year, 6 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Muskan Saha 1 year, 6 months ago

    Rutherford model proposed that the negative charge electrons around the nucleus of an atom.

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    • Posted by Dhruv Makkar 1 year, 6 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Anjan Karthi 1 year, 6 months ago

    2 L of O2 means 2L / 22.4 L (molar volume) = 0.089 moles of O2. So, from this, we can calculate mass of CO2 as m = No of moles of O2 × 44g = 0.089 × 44 = 3.92 g. // Hope this helps !!!!

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    • Posted by Dhruv Makkar 1 year, 6 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Anshika Singh Chauhan Thakur 1 year, 6 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Muskan Gupta 1 year, 6 months ago

    CBSE > Class 11 > Chemistry
    • 3 answers

    Aashna Meena 1 year, 5 months ago

    0.25Molar

    0Thank You

    Sonali Singh 1 year, 6 months ago

    0.25M

    0Thank You

    Samrat Das 1 year, 6 months ago

    0.5 m

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    • Posted by Yash Agrawal 1 year, 6 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Muskan Saha 1 year, 6 months ago

    At microscopic level it can be classified as solid, liquid,gas.These are the three physical state of matter. these three state of matter and interconvert able by changing the condition of temperature and pressure. at microscopic level matter can be classified as pure substan and mixtures

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    • Posted by Mangaldeep Patel 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Vanshika Yadav 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 2 answers

    Ajay Maurya 1 year, 7 months ago

    Is it correct?

    0Thank You

    Ajay Maurya 1 year, 7 months ago

    0.0653NA

    2Thank You

    ANSWER

    • Posted by Krishna Chaudhary 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 3 answers

    Muskan Saha 1 year, 6 months ago

    Molality - the molality refers to the number of moles of a solute per mass of a solvent. Molarity - molarity refers to the number of moles of a solute per volume of a solution.

    0Thank You

    Ojasvi Upadhyay 1 year, 7 months ago

    Molarity is defined as the no of moles of solute present in 1 litre of solution Molality refers to the no of moles of solute present in 1 kg of solvent

    0Thank You

    Arpita Singh 1 year, 7 months ago

    I don't even know the answer

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    • Posted by Shintu Yadav 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Kushagra Bhardwaj 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Tuhina Dey 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 2 answers

    Alok Yadav 1 year, 4 months ago

    1.88x10^21

    0Thank You

    Rahul Gupta 1 year, 7 months ago

    2

    2Thank You

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    • Posted by Tuhina Dey 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Johnna Mary Thomas 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

    • Posted by S K 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    S K 1 year, 6 months ago

    Calculate the total no. Of protons and electrons present in 2 moles of Carbon dioxide gas

    0Thank You

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    • Posted by Dilshad Malik 1 year, 7 months ago

    CBSE > Class 11 > Chemistry
    • 0 answers
    ANSWER

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