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1. Calculate the pH at the equivalence point for the titration of 0.230 M methylamine (CH3NH2) with 0.230 M HCl. The Kb of methylamine is 5.0× 10-4.
2. The Ksp of nickel(II) hydroxide, Ni(OH)2, is 5.84 × 10-16. Calculate the solubility of this compound in g/L.
3. Above what Fe2 concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 8.20? The Ksp of Fe(OH)2 is 4.87×10-17.
In the neutralization reaction between sulfuric acid and potassium hydroxide, how much potassium sulfate can be produced if you have 150.0g of sulfuric acid to begin with.
Calculate the equilibrium constant K for the isomerization of glucose-1-phosphate to fructose-6-phosphate at 298K .
If you mix 50mL of 0.34M HCN with 100mL of 0.17M KOH what is the pH of the resulting solution. (Ka=4.0 x 10^-10)
Draw the abbreviated structural formula of the products of the complete hydrolysis of lidocain
Separation of acetone from water by using MIBK - How much MIBK must be used if the final acetone concentration in the water-rich phase is 5 wt%?
Calculate the percent manganese in the sample as Mn3O4 (only part or none of the manganese may exist in this form, but we can make the calculations on the assumption that it does)
Calculate the activation energy of this reaction in kJ/mol At what temperature would the half-life be 12.0 min?
Initially a mixture contains 0.795 mol each of N2 and O2 in an 8.00 L vessel. Find the equilibrium composition of the mixture at 3900 degrees Celcius.
The reversible chemical reaction A+B C+D with an equilibrium constant of K 7.1.Initially, only A and B are present, each at 2.00 . What is the final concentration of once equilibrium is reached?
Sodium atoms emit light with a wavelength of 330 nm when an electron moves from a 4 p orbital to a 3 s orbital. What is the energy difference between the orbitals in kilojoules per mole?
How many carbon dioxide in kilograms is produced upon the complete combustion of 18.9 L of propane(Many home barbecues are fueled with propane gas
A solution was made by taking 1.250g of KMnO4 and dissolving it in enough water to make 1.000 liter of solution. This solution was used to titrate H2C2O4·2H2O, a very pure substance. In acidic media, the reaction is.
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