krystallllxxx krystallllxxx

20-11-2019
Chemistry

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Calculate the atomic mass of silver if 13 out of 25 atoms are silver-107 and 12 out of 25 are silver-109

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staffordgs7 staffordgs7

20-11-2019

From,

RAM=element×its relative abudance/total abudance

=((107×13)+(12×109))/25

The answer is=107.96

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