Q.

The number of sodium atoms in 2 moles of sodium ferrocyanide  is

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a

12×1023

b

26×1023

c

34×1023

d

48×1023

answer is D.

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Detailed Solution

As we know that four sodium atom are present i~ sodium ferrocyanide Na4Fe(CN)6Hence, number of Na atoms = No. of mole; x number of atom x Avogadro's number  2×4×6.023×1023=48×1023
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