Chemistry, asked by satyarthkedia1oyus4r, 1 year ago

urgent answer
question number 35
b part

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Answered by Trailblazer
1
average atomic mass=(%age of isotope1×atomicmass of isotope1+...........%age of isotope n ×atomicmass of isotope n )/ 100

so Here.....
average atomic mass of Br is (79×49.7+81×50.3)/100= 80.006
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