What is the total number and mass of neutrons in 7 mg of 14C

Last updated: 7/3/2023

What is the total number and mass of neutrons in 7 mg of 14C Assume that mass of a neutron 1 675 x 10 27 kg 1 2 41 1021 4 03 10 6 kg 2 6 23 1023 1 67 107 3 1 22 1022 4 03 106 kg 4 2 41 x 1021 4 03 10 6 g 21 kg