JEE chemistry

Calculate the number of atoms in 5.6 g of iron — JEE Chemistry

VNVikram Nair · 11 Asked 1mo ago 444 views 1 answer

Calculate the number of atoms in 5.6 g of iron. (Atomic mass of Fe = 56 g/mol, $N_A = 6.022 \times 10^{23}$)

1 Answer

VAVidaara Admin ✓ Vidaara Team ✓ Accepted · 1mo ago ▲ 6

$$Moles of Fe = \frac{5.6}{56} = 0.1 mol$$

$$Number of atoms = 0.1 \times 6.022 \times 10^{23} = 6.022 \times 10^{22} atoms$$

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Discussion (2)

S
Underrated solution. The way you set it up makes it almost obvious.
SophiaMiller84 · 1mo ago
S
Adding for context: NCERT covers the base concept in the same chapter.
SandeepRanasinghe88 · 1mo ago
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