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2 years ago

13

An element has two isotopes. 90% of the isotopes have a mass number of 20 amu, while 10% have a mass number of 22 amu. Calculate

the Average Atomic Mass of the element

1 answer:

jek_recluse [69]2 years ago

8 0

Explanation:

aam= 90%•20amu+10%•22amu/100

aam= 2020/100

aam= 20.2

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