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An ionic compound AB3 has a molar solubility of C. What is the expression of Ksp in C? Ksp = 3C4 Ksp = 27C4 Ksp = 18C4 Ksp = C4/3 Two of the above 9. The molar solubility of a compound AX2 is 2.5 x 10-3 M. Calculate the value of Ksp for AX2. 1.5 x 10-3 6.3 x 10-8 1.4 x 10-8 3.4 x 10-9 none of these
which pair of compound form a hemiacetal.
a gasous mixture of oxygen and nitrogen contains 32.8% nitrogen by mass. what is the partial pressure of oxygen in the mixture if the total pressure is 405mmHG?
What is the pH halfway to the equivalence point for the titration of 0.20 M CH3NH2 with 0.20 M HCl? (Kb of CH3NH2 = 4.4 x 10-4)
Substance A has a greater molar mass than substance B. Both are nonelectrolytes. if 50 g of substance A are dissolved in 250 g of water in one beaker
The same mass of solute is dissolved in 9.82 g of t-butanol instead of cyclohexane. What is the fexpected freezing point change of the solution
a gas mixture contains 4.6 g ofN2, 8.8g of H2 and 16.6g of CH4. What is the mole fraction of H2 in the mixture
For supercritical carbon dioxide, predict the effect that the following changes will have on the effect that the following changes will have on the elution time in an SFC experiment.
How many mols of hydrogen are produced from the reaction of .558 mols of zinc with an excess of hydrochloric acid?
Will the temperature of the water be greater than or less than 20 C when thermal equilibrium is reached? Calculate the final temperature
Why is acceptable to use a mixture of the alpha and beta anomers of D-(+)-mannose in this reaction? (i.e. why isn't it necessary to use either a pure alpha or the pure beta anomer
Calculate the ratio of CH 3 NH 2 to CH 3 NH 3 Cl required to create a buffer with pH = 10.14. Express your answer using two significant figures.
Write a balanced chemical equation when Magnesium metal burns in oxygen to form magnesium oxide, MgO
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