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ashna Group Title

calculate the no. of moles : (a) 392 g of H2SO4. (b) 44.8 L of CO2. (c) 9 g Al. (d) 25 g CaCo3.

  • 2 years ago
  • 2 years ago

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  1. ashna Group Title
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    @waterineyes

    • 2 years ago
  2. waterineyes Group Title
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    Can you try it once??

    • 2 years ago
  3. ashna Group Title
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    let me c

    • 2 years ago
  4. waterineyes Group Title
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    Find molecular mass of H2SO4 then use molar mass concept..

    • 2 years ago
  5. ashna Group Title
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    no of moles in 392 g of H2SO4 = x

    • 2 years ago
  6. ashna Group Title
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    am not getting !

    • 2 years ago
  7. ashna Group Title
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    you better teach !

    • 2 years ago
  8. waterineyes Group Title
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    See: Find molecular mass of H2SO4..

    • 2 years ago
  9. ashna Group Title
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    98

    • 2 years ago
  10. ashna Group Title
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    we got that in the first problem :)

    • 2 years ago
  11. waterineyes Group Title
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    1 mole = 98 g Right using molar mass..

    • 2 years ago
  12. ashna Group Title
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    okay

    • 2 years ago
  13. ashna Group Title
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    then ?

    • 2 years ago
  14. waterineyes Group Title
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    98 g = 1 mole Find it for 392 g..

    • 2 years ago
  15. ashna Group Title
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    392 * 1 / 98 = 4 moles correct ?

    • 2 years ago
  16. waterineyes Group Title
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    98*4 = 392 I think..

    • 2 years ago
  17. waterineyes Group Title
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    Yep you are right..

    • 2 years ago
  18. ashna Group Title
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    :)

    • 2 years ago
  19. ashna Group Title
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    c and d are same so lets leave it

    • 2 years ago
  20. ashna Group Title
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    i'll do it on my own :)

    • 2 years ago
  21. waterineyes Group Title
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    For b: 22.4 L = 1 mole Find it for 44.8 L.

    • 2 years ago
  22. ashna Group Title
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    how to do b ?

    • 2 years ago
  23. ashna Group Title
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    1 * 44.8 /22.4 = 2 moles

    • 2 years ago
  24. waterineyes Group Title
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    Now do here all the three left and I am going to have bath.. While teaching you I forgot to take bath today.. Yes 2 moles is right @ashna Now try other two till then I am having bath..

    • 2 years ago
  25. ashna Group Title
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    okay teacher :P

    • 2 years ago
  26. waterineyes Group Title
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    I am here only.. So I will check them when I will come.. So don't worry...

    • 2 years ago
  27. ashna Group Title
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    thank you teacher :)

    • 2 years ago
  28. ashna Group Title
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    |dw:1345185497775:dw|

    • 2 years ago
  29. ashna Group Title
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    am done :D

    • 2 years ago
  30. ashna Group Title
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    ll cum in the evening .. thanks for the help :)

    • 2 years ago
  31. ashna Group Title
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    or in the afternoon :D

    • 2 years ago
  32. waterineyes Group Title
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    Medal for c and d part.. You have calculated them very correctly..

    • 2 years ago
  33. ashna Group Title
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    thank yu :)

    • 2 years ago
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