The number of moles in 2 - 1024 atoms of iron are

The correct option is A 3.3Given, number of moles of atoms of iron = 2 × 10^24 We know, number of moles = Given number of particlesAvogadro number ...

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Standard IX

Chemistry

Atoms

The number of...

Question

The number of moles in $2 \times 10^{24}$ atoms of iron are

3.3

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4.5

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5.2

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2.1

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Solution

The correct option is A 3.3
Given, number of moles of atoms of iron $= 2 \times 10^{24}$

We know, number of moles $= \frac{G i v e n n u m b e r o f p a r t i c l e s}{A v o g a d r o n u m b e r}$ $= \frac{2 \times 10^{24}}{6.022 \times 10^{23}}$ $= 3.3$

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The number of moles in 2×1024 atoms of iron are

The correct option is A 3.3Given, number of moles of atoms of iron =2×1024We know, number of moles =Given number of particlesAvogadro number =2×10246.022×1023 =3.3

The number of moles in $2 \times 10^{24}$ atoms of iron are

The correct option is A 3.3
Given, number of moles of atoms of iron $= 2 \times 10^{24}$

We know, number of moles $= \frac{G i v e n n u m b e r o f p a r t i c l e s}{A v o g a d r o n u m b e r}$ $= \frac{2 \times 10^{24}}{6.022 \times 10^{23}}$ $= 3.3$