Find average atomic mass of cl if it has 75% of cl 35 and 25% of cl 34
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Answer:
34.75%
Explanation:
Average atomic mass= MASS OF 1ST ISOTOPE*PERCENTAGE ABUNDANCE+ MASS OF 2ND ISOTOPE*PERCENTAGE ABUNDANCE/ 100%
35*75+25*34/100= 2625+850/100
=34.75%
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