Question

Calculate the total number of atoms in each of the following:
a. 52 mol of Ar
b. 52 u of He​

Answer 1

Answer:

(i) The number of atoms present in 52 mol of Ar are 52×6.023×1023=3.13×1025 atoms. (ii) 52 u of He will contain 452=13 atoms. (iii) 52 g