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Chemistry, 23.11.2020 07:10 kenzie5889

Isotope X-67
X-68
X-69
Mass
8.5%
30.7%
60.8%
What is the average atomic mass of element X?
41.95 amu
O 0.685 amu
6852.3 amu
68.5 amu

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Isotope X-67
X-68
X-69
Mass
8.5%
30.7%
60.8%
What is the...

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