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Chemistry, 19.04.2021 23:10 cece9080

What is the average atomic mass of an element when 25% of one isotope is 40amu, 40% is another isotope is 45amu, and the remaining isotope is 46amu?

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What is the average atomic mass of an element when 25% of one isotope is 40amu, 40% is another isoto...
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