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Propanoic acid (CH3CH2COOH) has a Ka of 1.34 × 10-5. A 25.00 mL sample of 0.1000 M propanoic acid (in flask) is titrated with 0.1000 M NaOH solution, added from a buret. Carry out the calculations of the quantities indicated below, & put your answers in the boxes below.
1. The pH after 0.00 mL of NaOH are added.
2. The pH after 15.00 mL of NaOH are added.
3. The hydroxide ion concentration after 26.00 mL of NaOH are added.
The freezing point for t-butanol is 25.50 degrees C and kf is 9.1 degrees C/m. Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 10.0 g sample of t-butanol is measured as 24.59 degrees C, how many grams of water ar..
A 100-mL sample of the juice took 9.58 of the iodine solution to reach a starch end point. What is the concentration of Vitamin C.
A 1-rm L flask is filled with 1.45 g of argon at 25 {rm ^circ C}. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm. what is the partial pressure of argon in the flask?
The density of a 16.0 mass % solution of sulfuric acid in water is 1.1094{g/mL} at 25.0 degrees celcius.
A .sodium iodate and calcium nitrate B. sodium nitrate and potassium hydroxide C. sodium iodate and iron (III) chloride D. sodium iodate and potassium hydroxide.
Based on their activation energies and energy changes and assuming that all collision factors are the same, which of the following reactions would be fastest and which would be slowest?
Hydrogen can be extracted from natural gas according to the following reaction: CH4(g)+CO2(g) 2CO(g)+2H2(g) Kp=450 at 825K An 85 L reaction container initially contains kg of CH4 and 55.4 kg of CO2 at 825 K Assuming ideal gas behavior,
The falling down of a piece of chalk (when the hand holding it is taken off) is an energy-controlled process, because there is no change in its entropy in the process.
Consider the chemical species IF5 and IF4+
Based on the functional group(s) present in the two compounds, determine 3 physical properties for each of the two compounds. Using these physical properties determine how each of the two compounds uniquely function in the products in which they ar..
How do you find the HETP of a fractionating column given the areas after a gas chromatogram were cyclohexane 6286 and toluene 346. with a ratio being of cyclohexane/toluene.
Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate Imagine that andA, B are cations and X,Y Z,, and are anions, and that the following reactions occur
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