Chemistry - Mole Concept Question with Solution | TestHub

ChemistryMole ConceptAtomic mass/Average Atomic Mass/Average Molecular MassEasy2 minPYQ_2009

ChemistryEasystatement

Given, that the abundances of isotopes, $_{54} Fe,_{56} F$ and $_{57} Fe$ are $5%$ , $90%$ and $5%$ , respectively, the atomic mass of $Fe$ is

Answer:

Solution:

Average atomic weight $\frac{54 \times 5 + 56 \times 90 + 57 \times 5}{100} = 55.95$

Stream:JEE_ADVSubject:ChemistryTopic:Mole ConceptSubtopic:Atomic mass/Average Atomic Mass/Average Molecular Mass

⏱ 2mℹ️ Source: PYQ_2009

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