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Boron has two istopes B^(10) & B^(11) wh...

Boron has two istopes `B^(10)` & `B^(11)` whose relative abundances are `20%` & `80%` respectively avg.atomic weight of Boron is?

A

10

B

11

C

10.5

D

10.8

Text Solution

Verified by Experts

The correct Answer is:
D
Avg.at.wt. `=(sum% "abundance" xx "Atomic weight")/("Totalratio")`
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