The solubility of Na₃AsO₄(H₂O)₁₂ is 38.9g per 100g H₂O. What is the mass percentage of Na₃AsO₄ in the saturated solution?

(As = 75, Na = 23, O = 16, H = 1)

• A.87.27%
• B.38.9%
• C.19.1%
• D.13.7%
• E.