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The solubility-product constant for is Zn(OH)2 is ksp= 3x10^ -16 The formation constant for the hydroxo complex, Zn(OH)4 ^2- kf= 4.6x10^17, is . When zn(oh)2 (s) was added to 1.00 l of a basic solution, 1.14×10?2 mol of the solid dissolved. What is the concentration of OH- in the final solution?
How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction?
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.
Glycine is the simplest of the amino acids. Treat the amine and carboxylic acid groups as functional groups as independent functional groups.
a new hydrocarbon with molecular formula C20H14 is obtained in low yield. The 13C NMR of this new product shows three peaks in the 120-150 ppm range and one peak at 54 ppm.
Reactions in which a substance decomposes by losing CO. calculate the minimum temperature at which the process would become spontaneous assumming delta H
How to calculate the ratio of the masses of the buffer components required to make the buffer? m(NH3) / m(NH4Cl) ph= 9.00
What is the pH of the rainwater assuming all the sulfuric acid is in the liquid water droplet? Hint: The "per m3" means per m3 of air for both [H2SO4] and the cloud liquid water.
what mass in grams of hydrogen gas is produced if 20 mol of Zn are added to excess hydrochloric acid according to Zn+2HCl yields ZnCl2+H2?
(a) How many mL of KOH will it take to reach the equivalence point? (b) Calulate the pH at the equivalence point. The Ka of HClO is 3.8x10^-8
The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. N2O4(g) + 2 NO2(g)=1.46
Calculate the weight of potassium chlorate required to prepare 380 mL of wet oxygen collected over water at 20 Celcius and 750 mm of Hg.
The decomposition of SO3 to SO2 and O2 , 24 Kcal/mole of heat is absorbed by the system.
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