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How many milliliters of 0.2 M KOH are required to titrate completely 650 ml of 0.05 M citric acid?
what species( ions/molecules)are present at the halfway point in the titration tword the stoichometric point in a.
what is the ph of the solution if .02 mol hcl is added to .5L of a .34m nh3 and .56m nh4cl buffer solution
how many valence electrons do each of the following elements have, and what are the specific valence electrons for each element
What are the major differences between "theories", "hypotheses" and "laws". What is an example that would explain them.
At room temperature (about 20degree C) milk turms sour in about 64 hours. In a refrigerator at 3 degree C, milk can be stored for about three times as long before turning sour.
throat lozenges was dissolved in enough water to make 10.0 mL of solution at 25 degrees C. The osmotic pressure of the resulting solution was 4.95 atm. Calculate the molar mass of the compound. Answer in g/mol.
Will a racemix mixture of isoborneol be produced in the reduction of camphor to isoborneol?
what is the maximum [ATP]/[ADP][Pi] ratio compatible with ATP synthesis assuming that the number of protons trans-located per ATP formed is 2, the temperature is 25C and the change of pH is 0.75?
Calculate the pH of this buffer if it is .10 M HC2H3O2 and .10 M C2H3O2-. The Ka for CH3COOH is 1.8x10^-5.
Water/methanol and water/acetone are viable solvent systems for recrystallization, but water/chloroform and water/pentane are not
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 16.0 L
There are two reason why the enols of beta-dicarbonyl compounds, such as pentane-2,4-dione are relatively stable. One is that they are conjugated and the pi-electron overlap due to the conjugation provides additional stability.
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