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Sufficient of a monoprotic acid is dissolved in water to produce a 0.0138 M solution. The pH of the resulting solution is 6.50. Compute the pKa for the acid
The diluted solution from the second volumetric flask was found to contain 0.0274 mgNa/L.What is the concentration of Na in the first volumetric flask
Write the structural formula of a mixed triglyceride containing the following three acids: linoleic acid
The Kc for the reaction of hydrogen and iodine to produce hydrogen iodide equals 54.3 at 430 C. Calculate the equilibrium concentrations of H2,I2
Show how each of the following compounds could be prepared from 3-pentanone. In most cases more than one synthetic transformation will be necessary.
You prepared a 0.250 M solution by diluting 8.45(+-0.04)mL of 28.0(+-0.5)mL wt.%NH3 (density=0.899(+-0.003)g/mL up to 500.0(+-0.2)mL. Find the uncertainty in 0.250 M.
compunds made up from ions from S2- and sc3+ has amelting temperture of 1776 C what type of bonding is there?
calculate the concentration in molarity of a naoh solution if 30.0 ml of the solution are needed to neutralize 15.0 ml
methanol, CH3OH can be produced through the reaction of CO and H2. if 75.o grams of CO is used and the typical yield is 79.8%, what mass of methanol is likely to be produced.
in an industrial process nitrogen is heated to 400kelvin at a constant volume of 1m3.the gas enters a container at 300k and 100atm. the mass of the gas is 92.4kg. use the vander waals equation to determine the approximate pressure of gas
Give the products of the following reactions (no reaction mechanism necessary). if the products can exist as stereoisomers, show which stereoisomers are obtained.
the solubility of phthalic acid is water is 0.54g100 ml at14degc 18g100 ml at 100degc. how many ml of boiling water are
Describe the difference between an ionic bond and a covalent bond. Give an example of a compound that exhibits ionic bonding. Give an example of a compound that exhibits a covalent bond.
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