Physics, asked by somya17085, 8 months ago

Bromine-79 and bromine-81 are found in nature in the ratios 50.69 and 49.31. What will be the
average atomic weight of bromine?

Answers

Answered by deepanshutanwar91

2

Answer:

Avg atomic weight = (79×50.69 + 81×49.31)÷(50.69+49.31) = 79.98 round off to 80.

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