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Complete the following precipitation reactions, predict the precipitate and balance them. a. CdSO4(aq)+K;S(aq)- C t a b. Fe(N

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Answer #1

1. (a) CdSO4 (aq) + K2S (aq) → CdS(s) + K2SO4 (aq)

(b)Fe(NO3)3(aq) + 3 NAOH(aq) ---> Fe(OH)3(s) + 3 NaNO3(aq)

(c) ZnCl2(aq) + K2S(aq) ---> ZnS(s) + 2KCl(aq)

(d) Na2SO4(aq) + Ba(NO3)2 (aq) → BaSO4 (s) + 2NaNO3 (aq)

2. (a) PbSO4(s) ⇌ Pb2+(aq) + SO42-(aq)

(b) AgI (s) ⇌Ag+ (aq) + I- (aq)

(c) Ba(NO3)2 ---> Ba2+ + 2 NO3-1

3. (a) (NH4)3PO4(aq) + CaCl2(aq)→Ca​​​​3​​​​​(PO​​​​​4)2(s) + NH4Cl(aq)

(b) Cr2(SO4)3(aq) + 3(NH4)2CO3 (aq) ------> Cr2(CO3)3 (s) + 3(NH4)2SO4(aq)

(c) Ba(NO3)2 (aq) + K​​​​​2SO4(aq) → BaSO4 (s) + 2 KNO3 (aq)

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