chem

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What mass of protons would be required to just neutralize the charge of 1.5 g of electrons?

my teacher said .0015kg times 1e-/.00091e-27kg times 1pt/1e- times 1.67262e-27 over 1 p

  • chem -

    That is what I would do also. But I think you ought to know why that is the method.

    figure number electrons in 1.5g:
    number electrons: .0015kg/9.11E-31

    now figure the mass of the same number of protons:
    1.67E-27kg*(.0015/9.11E-31)

  • chem -

    do i add the e-27 and e-31. i forget

  • chem -

    a^b/a^c= a^(b-c)

  • chem -

    what? sry im not getting this...

  • chem -

    so i got 8.087535951e20 kg. my anser is suppose to be in grams so would it be 8087.535951e17?

    does this sound right/what u got?

    thanks

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