# chemistry

A sample of chlorine consists of 3×10to the power 6 of 35Cl and 2 × 10to the power 5 atoms od 37Cl . what is the average mass of an atom of chlorine in the sample?

1. 👍 0
2. 👎 0
3. 👁 160
1. (3E6*35 + 2E5*37)/(3E6 + 2E5)

1. 👍 0
2. 👎 0

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