Dkhaurithompson
09.03.2021 •
Chemistry
P4 + 6 H2 → 4 PH3 If 1.6081 moles of H2 are reacted with 39.65 grams of P4, how many moles of PH3 will be produced?
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Ответ:
Chemical dissociation of hydrochloric acid in water:
HCl(aq) → H⁺(aq) + Cl⁻(aq).
Chemical dissociation of sulfuric acid in water:
H₂SO₄(aq) → 2H⁺(aq) + SO₄²⁻(aq).
From chemical reaction: c(HCl) = c(H⁺) = 6 M.
c(H⁺) = 2c(H₂SO₄) = 2 · 6 M = 12 M; concentration of hydrogen cations.