Determine the ionic strength, μ, for each of the following
solutions. Assume complete dissociation of each salt and ignore any
hydrolysis reactions.
a) A solution of 0.00586 M NaOH
b) A solution of 0.00252 M LaBr3
c) A solution of 0.000824 M CaBr2 and 0.000683 M CuCl2
Determine the concentration of NO−3 in each aqueous solution.
(Assume complete dissociation of each compound.)
0.24 M KNO3
Express your answer using two significant figures.
0.24 M Ca(NO3)2
Express your answer using two significant figures.
0.24 M Cr(NO3)3
Express your answer using two significant figures
Determine osmotic pressures at 30.0°C for each solution given.
Assume complete dissociation of the salt. (a) 0.100 mol NaCl in
0.900 mol H2O (b) 0.100 mol Ca(NO3)2 in 0.900 mol H2O (c) 0.100 mol
Al(NO3)3 in 0.900 mol H2O
8. Determine the ionic strength of the solution and the activity
coefficients for each ion in a solution containing 0.01 M NaCl,
0.005 M Ca(OH)2, and 0.01 M MgSO4
Write molecular and complete ionic and net ionic equations for
the EACH of the following: 1. Magnesium hydroxide plus water 2.
Magnesium hydroxide and hydrochloric acid 3. sodium carbonate and
hydrochloric acid 4. Sodium Sulfite and hydrochloric acid
Assuming equal concentrations and complete dissociation, rank
the following aqueous solutions by their freezing points.
Highest freezing point:
Lowest Freezing point:
Write balanced complete ionic and net ionic equations for each
of the following reactions.
Part A
HI(aq)+KOH(aq)→H2O(l)+KI(aq)
Express your answer as a complete ionic equation. Identify all
of the phases in your answer.
Part B
Express your answer as a net ionic equation. Identify all of the
phases in your answer.
Part C
Na2SO4(aq)+CaI2(aq)→CaSO4(s)+2NaI(aq)
Express your answer as a complete ionic equation. Identify all
of the phases in your answer.
Part D
Express your answer as a net ionic equation....