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What is the pH of a 0.16 M solution of oxalic acid, H2C2O4? The Ka1,2 values of oxalic acid are 5.6 x 10-2 and 5.4 x 10-5. For a weak polyprotic acid, it is usually OK to assume the hydronium ion concentration, and hence the pH, results predominantly from the first ionization.
the boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2degc.
Show the product that forms when 3-phenylpropanal is allowed to mix with sodium hydroxide catalyst.
oxygen are mixed according to the equation 2 H2 + O2 = 2 H2O, which is the limiting reagent
Nitrogen gas reacts with hydrogen gas to produce ammonia by the following equation. N2(g) + 3H2(g) ---> 2NH3(g) A: If you have 3.98g of H2, how many grams of NH3 can be produced?
Calculate deltaS for this reaction at 200 ºC (again assume Cp is independent of temperature)
Therefore, a more systematic manner of indicating stereochemistry in these systems has been developed that uses the E and Z nomenclature system.
consider a solution that is 0.10 m in a weak triprotic acid a triprotic acid is an acid which has three h or hydrogen
what final temprature would be required to increase the pressure to 760 torr. the volume being held consant?
Determine the ammonium ion concentration of a solution that results when 4.53 g of (NH4)2SO4 is dissolved in 100 mL of water.
list the following compounds in order of increasing lattice energy from least negative to most negative lii lif cao
Two methods were used to analyze the amount of Au in gold ore. A normal fire assay of 8 samples indicated of 15.6, where s=0.5 oz./ton of ore. The 10 more sample were dissolved in aqua regia and tests using AA spectroscopy. The results were 16.35 ..
A chemist has 80.0 kg of a mixture that is 10.0% potassium nitrate by mass. How much additional potassium nitrate must be added to produce a final mixture that has a potassium nitrate content of 25.0%?
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