University:
Campbell University
Course:
CHEM 111 | General Chemistry I
Academic year:

2019
Views:

323

Pages:

2
Author:

Meandogninoyht

KEY Solutions – More Practice Name - ___________ 1.) For each of the following combinations of equal volumes of 0.2 aqueous solutions, 1.) Identify the possible products by formula. 2.) State which (if any) product has a low solubility (will precipitate). 3.) If there IS a precipitate write the formula equation and net ionic equation for the reaction. a.) MgS + Sr(OH)2 1.) Mg(OH)2 (s) + SrS (aq) 3.) MgS (aq) + Sr(OH)2 Mg+2 (aq) 2.) Mg(OH)2 (s) Mg(OH)2  (aq) + 2 OH- (aq) + SrS (aq) (s) Mg(OH)2 (s)  b.) CuBr2 + Pb(NO3)2 1.) Cu(NO3)2 (aq) + PbBr2 (s) 3.) CuBr2 (aq) (aq) Pb+2 + Pb(NO3)2 (aq) + Br- (aq) 2.) PbBr2 (s) Cu(NO3)2   PbBr2 (aq) + PbBr2 (s) (s) c.) FeBr3 + SrI2 1.) FeI3 (aq) + SrBr2 2.) neither (aq) d.) Ba(NO3)2 + Li2SO4 1.) BaSO4 (s) + LiNO3 3.) Ba(NO3)2 (aq) + Li2SO4 (aq) Ba+2 (aq) 2.) BaSO4 (aq) + SO4-2 (aq)   BaSO4 BaSO4 (s) + LiNO3 (s) (aq) (s) 1 KEY e.) K3PO4 + CuCl2 1.) KCl (aq) + Cu3(PO4)2 3.) 2 K3PO4 2.) Cu3(PO4)2 (s) (s) + 3 CuCl2 (aq) 6 KCl (aq) + Cu3(PO4)2  (aq) 3 Cu+2 (aq) + 2 PO4-3 (aq)  Cu3(PO4)2 (s) (s) f.) zinc (II) sulphate and lithium carbonate 1.) ZnCO3 (s) + Li2SO4 3.) ZnSO4 (aq) Zn+2 + Li2CO3 (aq) 2.) ZnCO3 (aq) (aq)  ZnCO3  ZnCO3 + CO3-2 (aq) + Li2SO4 (s) (s) (aq) (s) g.) iron (III) nitrate and magnesium sulphide 1.) Fe2S3 + Mg(NO3)2 (aq) (aq) 2.) Iron (III) Sulphide h.) beryllium sulphate and ammonium carbonate 1.) BeCO3 (s) 3.) BeSO4 + (NH4)2SO4 (aq) Be+2 + (NH4)2CO3 (aq) 2.) BeCO3 (s) (aq) (aq) + CO3-2 (aq)   BeCO3 BeCO3 (s) + (NH4)2SO4 (aq) (s) i.) cobalt (II) sulphate and lithium carbonate 1.) CoCO3 (s) + Li2SO4 3.) CoSO4 (aq) + Li2CO3 Co+2 (aq) 2.) CoCO3 (s) (aq) (aq) + CO3-2 (aq)  CoCO3 (s) + Li2SO4 (aq) CoCO3 (s)  j.) magnesium sulphate and strontium hydroxide 1.) Mg(OH)2 3.) MgSO4 (aq) Mg+2 + SrSO4 (s) + Sr(OH)2 (aq) (aq) 2.) Mg(OH)2 (s) (s)  Mg(OH)2 (s) + 2 OH- (aq) + Sr+2 (aq) + SO4+2 (aq) + SrSO4  (s) Mg(OH)2 (s) + SrSO4 (s) 2