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A buffer contains 0.15 mol of propionic acid C2H5COOH and 0.13 mol of sodium propionate C_2 H_5 COONa in 1.20 L.
What is the pH of this buffer?What is the pH of the buffer after the addition of 0.01 mol of NaOH?What is the pH of the buffer after the addition of 0.01 mol of HI?
Comparison of two different reduction methods. Hydride reducing agents such as sodium borohydride and Catalytic hydrogenation using hydrogenation and a transition metal catalyst.
No carbon atom in the structure of Y has more than one oxygen atom bonded to it, and Y can exist in two (and only two) stereoisomers forms. What are the structures of these forms of Y?
Caculations of Glucose. How much glucose is needed to prepare 100.g of a 33% glucose solution 3.5g at glucose 96.3g of H2o
Conversion of aqueous formaldehyde to methylene glycol? Assuming that you have formaldehyde, CH2O, fully solubilized in water at a temperature of 200 degrees F, is the first order and natural reaction
Which one of the following is a buffer solution?
When a mixture of PH3, P2, H2 comes to equilibrium at 873 K according to the reaction 2PH3 (g)= P2(g) +3H2(g) Kp=398 at 873K
Once the reaction is complete, the student collects 1.23g of aspirin. Determine the theoretical yield and percent yield of aspirin.
How many moles of H2 can be produced from x grams of Mg in magnesium-aluminum alloy? The molar mass of Mg is 24.31 g/mol
What is the solubility in moles/liter for copper(II) iodate at 25 oC given a Ksp value of 1.4 x 10-7. Write using scientific notation and use 1 or 2 decimal places (even though this is strictly incorrect!).
if the half life of a certain radioactive element is 1,250 years what is the percent of atoms remaining after 7,500 years is ?
Joe makes up a 0.1M solution of Potassium Fluoride. He uses a pH meter to test the pH of the solution. What is the most reasonable value he would find?
Calculate the voltage difference between two points of corroding iron differing only in their partial pressure of oxygen
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