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Chemistry

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what is the total number of moles in 80.0 grams of C2H5Cl (gram-formula mass=64.5grams/mole)?
(1)0.806
(2)1.24
(3)2.48
(4)5.16
please help !

  • Chemistry -

    I have just answered this for 'Jason'. Please keep to the same name as then we can try to keep advice consistent and not keep repeating comments/advice.

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