Boric Acid Condenses to Form Tetraboric Acid According to the Equation

Multiple Choice

Boric acid condenses to form tetraboric acid according to the equation ________.

A) 4H₃BO₃ (s) → 2H₂B₂O₇ (s) + 3H₂O (g)
B) 2H₃BO₃ (s) → HB₂O₂ (s) + 4H₂O (g)
C) 4H₃BO₃ (s) → HB₄O₈ (s) + 4H₂O (g)
D) 2H₃BO₃ (s) → H₂B₄O₇ (s) + 3H₂O (g)
E) 4H₃BO₃ (s) → H₂B₄O₇ (s) + 5H₂O (g)