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Question
A crystal of the mineral troegerite, (UO2)3(AsO4)2+ 12H2O (FM = 1304 amu), contains ____% arsenic by mass.
A) 15.4
B) 39.8
C) 61.0
D) 26.4
E) 11.5
Answer
This answer is hidden. It contains 1 characters.
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