Question

Calculate the mass of a carbon-12 atom in kilograms

Answer 1

Mass of 1 mole of C12 atom is 12.011g
so 6.022×10^23 atoms weigh 12.011g
so 1 atom will weigh 12.011/(6.022×10^23)g
=1.9945 × 10 ^ -23 g
=(1.9945×10^-23)/1000 kg
=1.9945×10^-26kg


HOPE IT HELPS.....