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What is the resulting pH when 0.005 moles of KOH is added to 0.100 L of a buffer solution that is 0.100 M in H2PO4 - and 0.100 M HPO4 2- and the Ka2 = 6.2 x 10^-8?
Calculate the number of molecules in 37.0 mL of ethanol, CH3CH2OH. The density of ethanol is 0.789 g/mL.
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 32.0 mL of 0.480 M Cd(NO3)2 solution?
In the electrolysis of KI, NaBr, pure elemental iodine potassium, and soduim cannot be isolated. Discuss by using equation I2(s) I^-(ag)>I3^-(ag) Iodine equation
The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.
explain the order of elution you observed while performing the gas chromatography for this experiment. what property of
Consider the titration of a 25.0 mL sample of .125M RbOH with .105M HCl. Find the initial pH.
Draw the organic product(s) of the intramolecular aldol condensation reaction of 2,6-heptanedione.
What is the pH of a solution which contains 0.300 moles of Na2HPO4 and 0.200 moles of Na3PO4 per liter of solution?
a sample of 1.5 grams of unknown alkali metal carbonate that was dissolved in h2o and 31.10ml of 0.350m cacl2 was
at 295 k keq 7.0 x 10-2 for the following equilibriumnh4hss nh3g h2sgwhat is the equilibrium partial pressure in atm
Write out the additional equations you would need to consider. d. Confirm that the number of equations is equal to the number of unknowns.
1. calculate the h of a solution obtained by mixing 1 l of hydrochloric acid 1.0 m with 1 litre of sodium hydroxide
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