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Chemistry - Mole Concept Question with Solution | TestHub

ChemistryMole ConceptMiscellaneous/MixedEasy2 minPYQ_2020

ChemistryEasysingle choice

The relative abundance of two isotopes of an element with atomic weight $85$ and $87$ is $75 %$ and $25 %$ respectively. Then calculate the average atomic weight of element

Options:

Answer:

Solution:

Average atomic weight of element $= \frac{85 \times 3 + 87 \times 1}{3 + 1} = 85.5$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Mole ConceptSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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