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Which Is the Correct Reaction for the Solubility Constant Expression

Question 22

Multiple Choice

Which is the correct reaction for the solubility constant expression (Ksp) of CaF2(s) ?


A) 2F-(aq) + Ca2+(aq) Which is the correct reaction for the solubility constant expression (K<sub>sp</sub>) of CaF<sub>2</sub>(s) ? A) 2F<sup>-</sup><sub>(aq) </sub> + Ca<sup>2+</sup><sub>(aq) </sub> CaF<sub>2(s) </sub> B) 2F<sub>(aq) </sub> + Ca<sup> </sup><sub>(aq) </sub> CaF<sub>2(s) </sub> C) CaF<sub>2(s) </sub> CaF<sub>2(g) </sub> D) CaF<sub>2(s) </sub> Ca<sub>(g) </sub> + 2F<sub>(g) </sub> E) CaF<sub>2(s) </sub> Ca<sup>2+</sup><sub>(aq) </sub> + 2F<sup>-</sup><sub>(aq) </sub> CaF2(s)
B) 2F(aq) + Ca (aq) Which is the correct reaction for the solubility constant expression (K<sub>sp</sub>) of CaF<sub>2</sub>(s) ? A) 2F<sup>-</sup><sub>(aq) </sub> + Ca<sup>2+</sup><sub>(aq) </sub> CaF<sub>2(s) </sub> B) 2F<sub>(aq) </sub> + Ca<sup> </sup><sub>(aq) </sub> CaF<sub>2(s) </sub> C) CaF<sub>2(s) </sub> CaF<sub>2(g) </sub> D) CaF<sub>2(s) </sub> Ca<sub>(g) </sub> + 2F<sub>(g) </sub> E) CaF<sub>2(s) </sub> Ca<sup>2+</sup><sub>(aq) </sub> + 2F<sup>-</sup><sub>(aq) </sub> CaF2(s)
C) CaF2(s) Which is the correct reaction for the solubility constant expression (K<sub>sp</sub>) of CaF<sub>2</sub>(s) ? A) 2F<sup>-</sup><sub>(aq) </sub> + Ca<sup>2+</sup><sub>(aq) </sub> CaF<sub>2(s) </sub> B) 2F<sub>(aq) </sub> + Ca<sup> </sup><sub>(aq) </sub> CaF<sub>2(s) </sub> C) CaF<sub>2(s) </sub> CaF<sub>2(g) </sub> D) CaF<sub>2(s) </sub> Ca<sub>(g) </sub> + 2F<sub>(g) </sub> E) CaF<sub>2(s) </sub> Ca<sup>2+</sup><sub>(aq) </sub> + 2F<sup>-</sup><sub>(aq) </sub> CaF2(g)
D) CaF2(s) Which is the correct reaction for the solubility constant expression (K<sub>sp</sub>) of CaF<sub>2</sub>(s) ? A) 2F<sup>-</sup><sub>(aq) </sub> + Ca<sup>2+</sup><sub>(aq) </sub> CaF<sub>2(s) </sub> B) 2F<sub>(aq) </sub> + Ca<sup> </sup><sub>(aq) </sub> CaF<sub>2(s) </sub> C) CaF<sub>2(s) </sub> CaF<sub>2(g) </sub> D) CaF<sub>2(s) </sub> Ca<sub>(g) </sub> + 2F<sub>(g) </sub> E) CaF<sub>2(s) </sub> Ca<sup>2+</sup><sub>(aq) </sub> + 2F<sup>-</sup><sub>(aq) </sub> Ca(g) + 2F(g)
E) CaF2(s) Which is the correct reaction for the solubility constant expression (K<sub>sp</sub>) of CaF<sub>2</sub>(s) ? A) 2F<sup>-</sup><sub>(aq) </sub> + Ca<sup>2+</sup><sub>(aq) </sub> CaF<sub>2(s) </sub> B) 2F<sub>(aq) </sub> + Ca<sup> </sup><sub>(aq) </sub> CaF<sub>2(s) </sub> C) CaF<sub>2(s) </sub> CaF<sub>2(g) </sub> D) CaF<sub>2(s) </sub> Ca<sub>(g) </sub> + 2F<sub>(g) </sub> E) CaF<sub>2(s) </sub> Ca<sup>2+</sup><sub>(aq) </sub> + 2F<sup>-</sup><sub>(aq) </sub> Ca2+(aq) + 2F-(aq)

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