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A weak acid HA (pKa=5.00) was titrated with 1.00M KOH. The acid solution has a volume of 100.00mL and a molarity of 0.100M. Find the pH at the following volumes of base added and make a graph of the pH versus Vb:Vb= 0, 1, 5, 9, 9.9, 10, 10.1, and 12mL.
if you have 330 ml of water at 25.00 and add 120ml of water at 95 C what is the final temperature of the mixture
Find the volume of oxygen - What volume of oxygen is needed to completely combust 2.07 L of methane gas
Compare and contrast the following: size exclusion chromatography and ion exchange chromatography... points to include would be methods of action used in both, examples of use for both, advantages and disadvantages and levels of sensitivity or det..
If 5 g of sodium metal reacts completely with excess chlorine gas, an 11.5 g of Nacl is actually obtained what is the precent yield. I know that the actual yield. How do i find the theoretical yield so I can put it in the percent yield equation.
The number of moles in 15.39 g of C2H6O (molar mass =46.1 g/mol) is ,You transfer a sample of gas at 17 degrees C from a volume of 4.71 L and 1.10 atm to a container at 37 degrees C.
Solutions of hexane and heptane may be considered to be ideal. At 25°C, the vapor pressure of pure hexane is 20.3 kPa and the vapor pressure of pure heptane is 6.08 kPa The activity relative to a pure liquid standard state is defined as the ratio ..
Which one of the following is a buffer solution?
Why does absorbance vs concentration calibration curve need not pass through origin (0,0) looking at beer lambert law?
What two aqueous reactants might you combine to give a barium sulfate precipitate? Write the molecular equation for the reaction that would result.
Consider a saturated colution of calcium oxalate, CaC2O4, in which the following reactions can occur: (CaC2O4)4 -2 (s) ---> Ca+2 + C2O4 -2 Ksp=1.3e-8
Determine the iodide ion concentration (in molarity) in a solution containing 12.6 g CaI2 dissolved in 2750 mL of solution
a physician wrote a prescription for tylenol 325 mg5ml with codeine 10 mg5ml 5ml three times a day for 4 days as needed
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