Question

which have larger number of atom 1 mole of NH3 or 2 mole of HCL

Answer 1

2 mole of HCl. i think u like it

Answer 2

One mole of NH3 has 6.023×10²³ atoms.

Two moles of HCl has 12.046×10²³ atoms.

Hence the latter has more number of atoms.