For barium flouride Ksp= 2.4 x10^-5 compared to its solubility in pure water, will barium flouride be more soluble, about equally soluble or less soluble in each of the following solutions?
0.2 M Ba(NO3)2
0.050 M HNO3
0.10 M NaCH3CO2
0.010 M NaOH
And can you please explain why