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    Could anyone explain how you get this answer to this question
    Asumming that chlorine exists as two isotopes ands that hydrogen and carbon exist as one isotope each, how many molecular ion peaks will be shown in the mass spectrum of C4H6Cl4?

    Answer: 5
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    (Original post by RogueLeader)
    Could anyone explain how you get this answer to this question
    Asumming that chlorine exists as two isotopes ands that hydrogen and carbon exist as one isotope each, how many molecular ion peaks will be shown in the mass spectrum of C4H6Cl4?

    Answer: 5
    If there are four chlorine atoms and they could be 35Cl or 37Cl

    so how many possible combinations of four chlorine atoms are there?
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    Thats all the information. I presume 2 of each.
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    (Original post by RogueLeader)
    Thats all the information. I presume 2 of each.
    35, 35, 35, 35
    35, 35, 35, 37
    35, 35, 37, 37
    35, 37, 37, 37
    37, 37, 37, 37

    That makes 5
 
 
 
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