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...
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