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Chlorine (Z =17) has two isotopes with m...

Chlorine (Z =17) has two isotopes with mass numbers 35 and 37, relative abundance being 3 : 1.Calculate the average atomic mass of chlorine.

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Ratio of abundance = 3 : 1
Average atomic mass `=35xx3/4+37xx1/4`
`='36.25+9.25=35.45`
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