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Which is true regarding the following reaction that occurs when aqueous solutions of Kl(aq) and Pb(NO3)2(aq) are mixed? 2 Kl(aq) + Pb(NO3)2(aq) -> 2 KNO3(aq)+ PbI2(S) I. I is a spectator ion
II. NO3, is a spectator ion III. Pbl2 precipitates IV. KNO3, precipitates O A. I and II B. I and III
C. I and IV D. II and III
E. II and IV

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