Question

if bromine atom is availabel in the form of two isotpoes 49.7% and 50.3% . calculate the average atomic mass of bromine atom

Answer 1

$79_{Br} = 49.7$%
$81_{Br} = 50.3$%

$\frac{49.7(79) + 50.3(81)}{100}$
=80.006 amu
≈80 amu

Answer 2

_/\_Hello mate__here is your answer--

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The average atomic mass of bromine

={ (79 x 49.7)+ (81 x 50.3) }/100

= (3926.3 + 4074.3)/100

= 8000.6/100

= 80 u

I hope, this will help you.☺

Thank you______❤

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