A Crystal of the Mineral Troegerite,(UO₂)₃(AsO₄)₂ • 12H₂O (FM =

question 3

Multiple Choice

A crystal of the mineral troegerite,(UO₂) ₃(AsO₄) ₂ • 12H₂O (FM = 1304 amu) ,contains ____% uranium by mass.

• A)18.6
• B)47.2
• C)62.8
• D)30.0
• E)54.8

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