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Question - 1) A mixture of equal volumes of equimolar solutions of acetic acid and sodium acetate is made in 1 L flask. Calculate the pH of the solution.
2) A sample of 10.0 mL solution of 0. 100 M acetic acid is titrated with 0.100 M NaOH solution. Calculate the pH of the solution when exactly 5.00 mL of the base has been added.
3) Calculate the solubility in molarity of Cu(OH)2, (a) In pure water and in (b) 0.010M Cu(NO3)2 solution. The Ksp for Cu(OH)2 is 2.2O x 10^-20.
4) (a) Calculate the value for Ksp for CaSO4 that has the solubility of 0.67 g/L in water.
(b) If we mix 50.0 mL of 0.100 M Na2SO4 with 5.00 mL 0f 0.100 M BaCl2, will there be any precipitation of BaSO4? Look up for Ksp value for BaSO4.
I'm seeking good explanation please be as thorough as possible.
Explicate the each step. Explicate the process and each step.
What is the frequency of light whose wavelength is 288nm. Can some one please explain how you get 10^15 for this.
In trans-1,2-dibenzoylethylene, even though the conjugated C=O group frequency coincides directly with the expected C=C stretching fequency, we would not have expected to observe the late stretching mode in the infrared spectum. Why?
what is the volume of the gas in milliliters when the pressure and temperature of the gas sample are changed to 634 and
The compound has a molecular formula of C7H14O2. Draw the structure from the following NMR data: Ha=1H 1.2 ppm Hb=3H 1.3 ppm Hc=4H 4.1 ppm
What is the problem of attempting an Adols condensation using different aldehydes
A sample of gas (24.2 g) initially at 4.00 bar was compressed from 8.00 L to 2.00 L at constant temperature. After the compression, the gas pressure was ________ bar.
The calorimeter contains exactly 281 g of water, and the temperature increases by 1.126°C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol.
Explain about the basics of Periodic Table
Question- What is the purpose of the hexane in the halogen displacement? Into which layer water or hexane would the following species reside? Cl-, I2, Cl2, Br-, I-, Br2
the human body on average contains 6 liters of blood. if 20 drops are equal to 1 milliliter how many drops of blood are
If a 1.50x10^-4 M sample of salicylic acid has an absorbance value of 1.020 using a 2.00cm path length cell at 295nm, what is the molar absorptivity coefficient at this wavelength
If 43.2 ml of 0.105 M KMnO4 were required to reach the endpoint of a 14.8g bleach sample, what was the perrcentage of H2O2 in the sample?
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