Chemistry, 19.12.2020 21:10, Rosy1234Locks

Challenge: a sample of oxygen atoms contains 73% 0-18. 12% 0-19 and 15% O-21. What is the relative 77. How many
atomic mass of this sample ?

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Challenge: a sample of oxygen atoms contains 73% 0-18. 12% 0-19 and 15% O-21. What is the relative...