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Number of atoms in 558.5 g Fe (molar mas...

Number of atoms in 558.5 g Fe (molar mass Fe= `55.85 g mol^(-1)`)

A

twice than in 60 g carbon

B

`6.023 xx 10^(22)`

C

half that of 8g He

D

`558.6 xx 6.023 xx 10^(23)`

Text Solution

Verified by Experts

The correct Answer is:
A
558.5 g Fe = 10 moles
`=10 xx 6.023 xx 10^(23)`atoms.
60 g C = 5 moles `=5 xx 6.023 xx 10^(23)` atoms.
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