36.49 gm using law of equivalent proportion
31
A dalton is the same as an atomic mass unit. And an atomic mass unit is approximately the mass of a nucleon (proton or neutron) such that the mass is 1 g/mol. So in this problem you have 15 protons and 16 neutrons, so the number of daltons is 15 + 16 = 31.
The Correct answer to this question is translation
It is fresher because of new transportation techniques and refrigerated trailers.