A solution contains 3.8 × 10^-2M in Al³⁺ and 0.29 M in NaF.If the K_f for AlF₆^3- is 7 × 10¹⁹,how much aluminum ion remains at equilibrium? A)1.1 × 10^-19 M B)3.1 × 10^-22 M C)9.1 × 10^-19M D)1.9 × 10^-21 M E)4.4 × 10^-20 M

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The Answer of A solution contains 3.8 × 10^-2M in Al³⁺ and 0.29 M in NaF.If the K_f for AlF₆^3- is 7 × 10¹⁹,how much aluminum ion remains at equilibrium? A)1.1 × 10^-19 M B)3.1 × 10^-22 M C)9.1 × 10^-19M D)1.9 × 10^-21 M E)4.4 × 10^-20 M

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