5) When 50.0 mL of a 1.00 M solution of Fe(NO3)3 are mixed with 50.0 mL of a 1.00 M solution of NaOH, a precipitate forms. How many moles of precipitate is formed?
Fe(NO3)3(aq) + 3 NaOH(aq) → Fe(OH)3(s) + 3 NaNO3(aq)
A) 0.33 moles
B) 0.017 moles
C) 1.00 mole
D) 0.05 moles
6) Which one of the following compounds is insoluble in water?
A) Ba(OH)2
B) Ca3(PO4)2 C) NH4S04
D) Rb2CO3
7) Write a balanced net ionic equation for the reaction of Pb(NO3)2(aq) with Nal(aq).
A) Pb2+(aq) + 2 1-(aq) - PbI2(s)
B) Pb2+(aq) + 2 NO3- (aq) + 2 Na+(aq) + 2 1-(aq) PbI2(s) + 2 Na+(aq) + 2 NO3- (aq)
C) Pb2+(aq) + 2 NO3-(aq) + 2 Na+(aq) + 2 1-(aq) - Pb2+(aq) + 2 1-(aq) + 2 Na+(aq) + 2 NO3-(aq)
D) Pb(NO3)2(aq) + 2 Nal(aq) - Pb12(s) + 2 NaNO3(aq)
8) In an acid-base neutralization reaction 23.74 mL of 0.400 M sodium hydroxide reacts with 50.00
mL of sulfuric acid solution. What is the concentration of the H2SO4 solution?
A) 0.760 M
B) 0.190 M
C) 0.380 M
D00950 M