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Consider the dissolution of MnS in water (Ksp = 3.0 × 10-14).
MnS(s) + H2O(l) Mn2+(aq) + HS-(aq) + OH-(aq)
How is the solubility of manganese(II) sulfide affected by the addition of aqueous potassium hydroxide to the system?
The reactant concentration in a zero-order reaction was 9.00×10?2{\it M} after 100s and 2.50×10?2{\it M} after 390s . What is the rate constant for this reaction
50.0mL of 0.15 M cobalt(II) nitrate is diluted to 250 mL with water. What is the final concentration of cobalt(II) nitrate
Which of the five cobalt complexes, [Co(NH3)5X]^y+ (where X is one of the five ligands, Br-, Cl-, F-, H2O, or NH3 and y is the magnitude of the positive charge) will absorb the shortest wavelength of light? Which will absorb the longest wavelength..
When a 23.7 mL sample of a 0.362 M aqueous nitrous acid solution is titrated with a 0.310 M aqueous potassium hydroxide solution, what is the pH after 41.5 mL of potassium hydroxide have been added
Without using equations can you explain how heat capacity and entropy are related
For the titration of 25.0 mL of 0.20 M hydrofluoric acid with 0.20 M sodium hydroxide, determine the volume of base added when pH is 2.85
A steady current was passed through molter CoSO4 until 8.85 g of metallic cobalt was produced. Calculate the number of coulombs of electricity used.
The value of Ksp for silver carbonate, Ag^2CO^3, is 8.10 X 10^-12 . Calculate the solubility of Ag^2CO^3 in grams per liter.
When compound X undergoes ozonolysis, acetone, is the only product produced. Propose a structure for compound X.
Predict the mass of the most abundant fragment signal in the mass spectrum of 2,2-dimethylpentane. 85 amu 29
Compare the pH values in the dilution experiment for the strong acid(HCl) and the weak acid (acetic acid). HCl : 10^-2 : 3.03 10^-3 :4.48 10^-4:5.95 10^-5:6.55 10^-6:6.60 10^-7:6.70
From the examples you state, select one acid, one base, and one salt and describe specifically how and where they are used in therapeutic processes. Define a buffer and explain how a buffer works.
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