Kimia

Pertanyaan

minta bantuannya no2
minta bantuannya no2

1 Jawaban

  • a. 3NH₃ + H₃PO₄ ⇒ (NH₄)₃PO₄
    b. n NH₃ = v (STP) / 22.4 = 1.12 / 22.4 = 0.05 mol
    n H₃PO₄ = ¹/₃ . n NH₃ = ¹/₃ . 0.05 = 0.0167 mol
    gr H₃PO₄ = 0.0167 . 98 = 1.6366 gram
    c. n (NH₄)₃PO₄ = n H₃PO₄ = 0.0167 mol
    gr (NH₄)₃PO₄ = 0.0167 . 149 = 2.4883 gram ⇒ Jawab