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Available are solid oxalic acid dihydrate, solid sodium hydrogenoxalate monohydrate, solid sodium oxalate, and liquid water. State the amounts and identities of the reagents, and the glassware, that you would use to prepare 100 mL of a buffer solution with a pH of 4.50. Also state the equilibrium concentration of each component that makes the solution a buffer solution. Ka1 = 5.4 x 10-2 and Ka2 = 5.3 x 10-5 for oxalic acid.
what does the absorption spectrum of the ligand ethylenediamine look like in the visible region which you used in this
inexperienced student reacted 3,3-dimethyl-1-butene with H2SO4/H2O. What major product was he surprised to isolate?
Heavy water has a formula D2O, and semi-deuterated water has the formula DHO, where D stands for deuterium. Using the data below, etimate the percentages of D2o and DHO present in natural water
How do you calculate how mangy grams of a solid to dissolve in water to make a solution given the milliliters and the molarity? Such as given 100 mL of .1000 M Sr(NO3)2.
what is the ph of a solution formed when 100 ml of a base with ph off 13 is diluted to 1 liter with pure water?
a mixture of ethanol and 1-propanol behaves ideally at 36c and is in equilibrium with its vapor. if the mole fraction
What is the Freezing point of an aqueous glucose solution that has 25.0g of glucose, C6H12O6, per 100.06 H2O (Kf=1.86)
What is the balanced equation for the saponification of glyceryl trioloeate and sodium hydroxide
Ethylene glycol (EG) is a commonly used automotive antifreeze. Calculate the boiling point and the freezing point of the 25% EG solution if Kb=0.512oC/m and Kf=1.86oC/m for water. Molar mass of EG=60.05 g/mol.
a 91 gram solution of silver nitrate contains 15 grams of agno3. what is the percent by mass of silver nitrate in this
Compute the packing efficiency for an fcc lattice, keeping in mind that the close-packing direction is along the body diagonal, yielding a row of atoms along a face diagonal (i.e., the face diagonal = 4r). How does this compare to primitive cubic ..
Determine what is the percent yield of the reaction If 15.0 grams of Nitrogen and 2.00 grams Hydrogen react to produce 1.38 grams of Ammonia?
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