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Chemistry, 19.10.2020 04:01 amandasantiago2001

An unknown element X has the following isotopes: 126X (22.00% abundant), 128X (34.00% abundant), 130X (44.00% abundant). What is
the average atomic mass in amu of X?

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An unknown element X has the following isotopes: 126X (22.00% abundant), 128X (34.00% abundant), 13...
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