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• Topic:

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In the system, CaF2(s) $⇌$Ca2+ (aq) + 2F-(aq), increasing the concentration of Ca2+ ions 4 times will cause the equilibrium concentration of F- ions to change to:

(a) 1/4 of the initial value

(b) 1/2 of the initial value

(c) 2 times of the initial value

(d) none of the above