Answer to Question #170493 in General Chemistry for Leila Marie

General Chemistry

Question #170493

H3PO4 (aq) ⇌ H + (aq) + H2PO4 - (aq) Ka = 7.2 x 10 -3

Give the equilibrium constant expression for the forward reaction.

Expert's answer

The forward equilibrium costant

K_equilibrium=con.H^+.con.H₃Po₄/Con.H3Po4-

. =K_a/H₃Po_4-

. =7.2*10-3/con.H3Po4-

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