Calculate the Percentage Composition (By Mass) of Mg in Mg₃(AsO₄)₂

question 108

Multiple Choice

Calculate the percentage composition (by mass) of Mg in Mg₃(AsO₄) ₂.

• A) 20.8 %
• B) 34.4 %
• C) 36.3 %
• D) 6.9 %
• E) 22.9 %

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