Homework answers / question archive / 5 Which combination will produce a precipitate? a) NH4OH(aq) and HCl(aq) b) AgNO3(aq) and CaCl2(aq) c) NaOH(aq) and HCl(aq) d) NaCl(aq) and H2SO4(aq) Ans: 6

5 Which combination will produce a precipitate? a) NH4OH(aq) and HCl(aq) b) AgNO3(aq) and CaCl2(aq) c) NaOH(aq) and HCl(aq) d) NaCl(aq) and H2SO4(aq) Ans: 6

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5 Which combination will produce a precipitate? a) NH4OH(aq) and HCl(aq) b) AgNO3(aq) and CaCl2(aq) c) NaOH(aq) and HCl(aq) d) NaCl(aq) and H2SO4(aq) Ans: 6. Based on the solubility rules, will there be a solid formed when solutions of CuSO4(aq) and BaCl2(aq) are mixed? If so, what solid? CuSO4 + BaCl2 → CuCl2 + BaSO4 (A) No solid forms (B) Yes, a solid forms, BaSO4(s) (C) Yes, a solid forms, CuCl(s) (D) Two solids form, CuCl2(s) and BaSO4(s) Ans:
. W 3. HF 4. HBr II UI the following are strong acids? 1. HI 2. HNO & 3 & 4 b) 1, 2, 3, & 4 1, 3, & 4 d) 2, 3, & 4 e) 1, 2, & 4 Ans: 8. Give the net ionic equation for the reaction (if any) that occurs when aqueous solutions of H SO, and KOH are mixed. A) H+(aq) + OH-(aq) → H20(0) B) 2 K+(aq) + SO42-(aq) → K2SO4(s) C) H+(aq) + OH-(aq) + 2 K+(aq) + SO42-(aq) → H20(1) + K2SO4(s) D) H22+(aq) + OH-(aq) → H2(OH)2(0) E) No reaction occurs.