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If 10 ml of 0.05 M NaOH is added to a 20 ml solution of 0.1 M NaNO2 and 0.1 M HNO2. What is the pH of the resultant solution?
The volumes listed correspond to the ½ equivalence point, equivalence point, 1 ½ equivalence point, and 2 equivalence point. The pH will equal pKa2 at the 1 ½ equivalence point, which is 11.55. Therefore, the [H+] = 10^(-11.55) = 2.81 x 10-12
How many grams of CH4 must be burned to release 554 kJ of heat based on this thermochemical equation:
What is the volume occupied by one mole of helium at 0°C and 1 atm pressure?
Was measured at several temperatures and the following data was collected, Using this data, graph ln k 1/T. using your graph determine the value of Ea please show work and show a graph
Why is the Hydrogen atom of the -OH group on a carboxylic acid the most acidic hydrogen (the only H that can be removed by a base) in this type of molecule>
a 20.0 mL sample of NaIO3 was treated with an acess of KI and HCl and the iodine produced titrated with 0.05125 M Na2S2O3. If 19.35 mL, of Na2S2O3 solution were required to reach a strach-iodine endpoint, what was the concetration of the NaIO3
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A sample of propane,C3H8, contains 10.8 moles of carbon atoms. How many total moles of atoms does the sample contain?
A mass of 48.5 g of a certain substance can be dissolved in 29.1 cm3 of water at 20 Degree Celius. Calculate the solubility of this substance per gram of water at the same temperature.
If the temperature and pressure are kept constant during the process, how many liters of chlorine must be with titanium to produce
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