Question

Calculate the number of atoms in 52g of He? *
(a) 6.022x10²³
(b) 3.13x10²⁵
(c) 7.83x10²⁴
(d) 6.022x10²⁴​

Answer 1

Answer:

opt c

Explanation:

no. of moles = 52g/4g = 13 moles

no. of atoms = 13× 6.022× 10²³

= 78.828×10²³ (opt c)