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To a flask containing 2L of water is added 1.3 x 10^-5 moles of an acid HA, that has a measured Ka of 5 x 10^-3. Assuming that the addition of the acid does not change the volume of the solution what is the pH of the acid/water mixture in the flask? Please show all of your work and steps on how you achieved the answer!The acid dissociates according to this equation: HA --> H^+ (+) A^-
the equilibrium partial pressure for the reaction 2NO2(g)--> N2O4(g) are 0.0686 atm for NO2(g) and 1.250 atm for N2O4(g).
determine the equilibrium ph of aqueous solutions of the following strong acids or bases: a)15mg/l of hso4- b)10 mM NaOH c)2500 mg/l of HNO3.
Xenon can be the central atom of a molecule by expanding beyond an octet of electrons. Draw Lewis structure for the following xenon compound.
if you had excess chlorine how many moles of of aluminum chloride could be produced from 17 grams of aluminum
Hydrogen gas was collected over water in a eudiometer at 25 C when the atmospheric pressure was 752 mm Hg. What was the pressure of the hydrogen gas?
calculate pH at points between the start of titration and equvalence point: choose points so tht they will be more dense where change in pH is faster
An experiment shows that a 112-mL gas sample has a mass of 0.120 g at a pressure of 733 mmHg and a temperature of 33.0°C.
Calculate the pH of each of the following solutions. (a) 0.115 M HONH2 (Kb = 1.1 10-8) (b) 0.115 M HONH3Cl
An Ionic Compound has the formula M4(NO3)2(PO4)2. What is the net charge on the metal ion M in this Compound.
energy in amount of 433 J is added to a 80 g sample of water at temperature of 27 degrees Celsius. What will be the fianl temperature for the water?
Copper dissolved in nitric acid, producing copper (II) nitrate. After reaction with sodium hydroxide and heating, copper nitrate changed to coper (II) oxide. Calculate the percent yield of this process if 1.075 g of copper produced 1.075 g of copp..
A 0.0100 molal aqueous solution of a weak acid freezes at -0.0219 oC. Calculate the percent ionization of the weak acid, HA.
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