Question

1) How much no. of atoms in 2 mole of ammonia?
2)how much number of molecules in 2.5 mole of H3PO4?

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Answer 1

Answer:

1)48×10^23

2)15.05×10^23

Explanation:

1)no.of atom in 2 mole NH3= 2×6.022×10^23×4

=48×10^23

2)no.of molecules 2.5 mol H3PO4= 2.5×6.022×10^23=15.05×10^23