Chapter 4 practice problems for test II
1. Predict products for the following double replacement reactions, balance, and predict
states of the products. If there is no reaction, state “no reaction”:
a) FeCl2(aq) + AgNO3(aq)
b) Na2CO3(aq) + BaCl2(aq)
c) Fe2(SO4)3(aq) + BaCl2(aq)
2. Which of the following solutions are strong electrolytes?
a) NH4NO3
b) CCl4
c) Br2
d) CHCl2
e) BaCl2
f) CH3CHOH
3. Determine the molarity of each of the following.
a) Li+ and NO3- in 0.0647 M LiNO3
b) Ca+2 and I- in 0.035 M CaI2
c) Al+3 and SO4-2 in 1.07 M Al2(SO4)3
4. Which of the following has the highest and lowest total concentration of ions?
a) 0.012 M Al2(SO4)3
b) 0.030 M KCl
c) 0.040 M Al(NO3)3
d) 0.025 M K2SO4
5. Which of the following compounds is insoluble in water?
a) Ba(NO3)2
b) CuSO4
c) ZnCl2
d) PbSO4
6. Predict products for the following double replacement (precipitation) reactions,
balance the equations, and indicate states. If there is no reaction, indicate this.
a) (NH4)2S(aq) + CuSO4(aq)
b) MgBr2(aq) + ZnSO4(aq)
c) CuSO4(aq) + Na2CO3(aq)
d) CaCl2(aq) + AgNO3(aq)
e) Ba(NO3)2(aq) + Na2SO4(aq)
