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Determine the acid dissociation contant for a 0.10M acetic acid solution that has a pH of 2.87. Acetic acid is weak monoprotic acid.
A 250 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 125 mL, how many moles of CN- ions will be contained in the dilute solution.
This is equal to the number of moles of HCL present in the 5.00mL of HCL delivered to the flask. Compute the molarity of the HCL.
when 31 mL of 0.200 M HCl has been added to 39 mL of 0.0500 M NH3 solution? HCl is strong acid, Kb = 1.8 × 10-5 for NH3
titration volume should be between 10 mL and 50 mL. What are the smallest (first answer box) and largest (second answer box) masses of formic acid that would give titration volumes within the limits above?
oxidation of gaseous CIF by F2 yields liquid CIF3. Use the following thermochemical equation to calculate delta H reaction for the production of CIF3
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature.
What mass of aluminum can be formed by the passage of 215C through an electrolytic cell containing a molten aluminum salt.
a solid with an irregular shape and a mass of 11.33 g is added to a graduated cylinder filled with water
A 2.85 g sample containing only MgO and CuO is placed in a 3.00 L container. The container is filled with CO2 to a pressure of 740 torr at 20 degrees C. After the reaction has gone to completion, the pressure inside the flask is 390 torr at 20 deg..
smaller dipole moment than formaldehyde, H2C=O, even though it contains electronegative chorine atoms in place of hydrogen. Explain
Calculate the pressure of 4 g of nitrogen gas in a 1 L container at 20.0 ?C.
the temperature derivative of the entropy at constant pressure is related to what important,measurable physical quantity? Can this quantity ever be negative?And also recall how the curvature of a surface is related to the sign of a certain derivat..
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