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Zinc sulfide, ZnS, is sparingly soluble under most situations. With ammonia, Zn2+, forms four complexes, Zn(NH3)2+, Zn(NH3)2+2, Zn(NH3)2+3, and Zn(NH3)2+4. Ammonia is, of course, a base, and S2- is the anion of the weak diprotic acid, H2S. Find the molar solubility of zinc sulfide in:
a) pH 9.00 ammonia/ammonium ion buffer with a total NH3/NH4+ concentration of 0.100 M
b) The same solution as a but it also contains 0.100 M EDTA
what is the limiting reagent and the volume of CO2 formed when 11 L s2 reacts with 18 L O2 to produce Co2 gas adn SO2 gas at STP
The excess I2(aq) left over from the above reaction was titrated with 11.37 mL of 0.0105 M thiosulfate (S2O32-) as follows: I2(aq) + 2S2O32-(aq) → 2I1-(aq) + S4O62-(aq)
What can we expect to be a few key differences between a jelly roll motif and an up and down barrel
you have a mixture of oxygen and argon in a 2.50 L container. You know that the oxygen has a mass of 3.44 grams. The total pressure of the gases is 1.86 atm, and their temperature is 22 degrees C.
Molecular Formula of a Compound from Percent Composition and Molar Mass, What is the molecular formula of a compund that contains 42.87%carbon, 3.598% hydrogen, 25.00% nitrogen
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Benkart's Tie Store has fixed costs of $180,000. Tires sell for $75 each and have a unit variable cost of $30. What is Benkart's break-even point in units?
What would be the structure and name of the open chain hydroxyl/carbonyl compund from which the above hemiacetal might form
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
A 30 g sample of water at 280 K is mixed with 50 g of water at 330 K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
purpose a mechanism for the polymerization of methyl methacrylate in the presence of t-butyl proxybenzoate
for a particular redox reaction MnO2 is oxidized to MnO4- and Ag+ is reduced to Ag write a balanced equation
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