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How can I find the pH and volume (mL) of 0.0411M KOH needed to reach the equivalence point in the titration of 23.4mL 0.0390M HNO2? The question doesn't give me a Ka or Kb value.
If 153 mL of wet H2 is collected over water at 24°C and a barometric pressure of 729 torr, how many grams of Zn have been consumed?(The vapor pressure of water is 22.38 torr at 24°C.)
Calculate the percent ionization of 0.085 moles/l of lactic acid in a solution containing 0.050 moles/l sodium lactate
The pH of blood is 7.35. It is maintained in part by the buffer system composed of carbonic acid (H2CO3) and the bicarbonate (hydrogen carbonate, HCO3-) ion. What is the ratio of [bicarbonate]/[carbonic acid] at this pH
Calculate the heat given off by the burning Mg in kJ/g. b)Calculate the heat given off by burning Mg in kJ/mol
Find the velocity of an electron emitted by a metal whose threshold frequency is 2.15×1014 {rm s^{-1}} when it is exposed to visible light of wavelength 4.76×10-7 {rm m}.
Explain the Reaction, If you treat an aldehyde wiith HCN you produce a cyanohydrin. For example
draw the structures of the six diastereomers of the truxinic acids and the five diasteromers of the truxillic acids, clearly showing the photochemistry
Show how many µL of protein sample you will take and add with the desired volume of DTT and Laemmli buffer to make the right concentration of sample.
what is the structure of glycylserine and serylglycine?
Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?
A reaction has a rate consant of 1.23/mol*s at 433 Celcius and 24/mol*s at 533celcius.
calculate the concentration of all soluble Hg(II) species. Which Hg(II) species is most prevalent? Assume there are no solids present, that the major ligands present are Cl- and OH-
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