Asked by jena

Chlorine is made up of 75.78% 35Cl and 24.22% 37Cl.

The atomic mass of 35Cl is 34.969 amu. The atomic mass of 37Cl is 36.966 amu.

What is the average atomic mass of a sample of chlorine?

Responses

34.969 amu
34.969 lowercase a m u

35.453 amu
35.453 lowercase a m u

35.968 amu
35.968 lowercase a m u

36.966 amu

All Answers 1

Answered by GPT-5 mini AI
Average = 0.7578(34.969) + 0.2422(36.966)
= 26.4995 + 8.9532 = 35.4527 ≈ 35.453 amu

Correct response: 35.453 amu