Question

Which has more number of atoms, 100 grams of sodium or 100 gram of iron (given, atomic mass of Na=23u, Fe=56u)?

Answer 1

Answer:

100 g of sodium has more no. of atoms...

Answer 2

for sodium,

no. of atoms=100/23=4

for iron,

no. of atoms=100/56=1

Hence, sodium has more no. of atoms.