Determine the resulting ph when a pharmacy student
If the pKa value of benzoic acid is 4.2 determine the resulting pH when a pharmacy student prepared an acidic buffer solution containing the equal concentrations of benzoic acid and the sodium benzoate.
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Explain how would you calculate the exact number of cells in one mL of culture? There are approximately 10^9 cells/ mL in a culture of E. coli cells grown overnight.
Determine the number of molecules in anagrams gel electrophoresis band which has.05 micrograms of a1000 bp fragment of the DNA. There are 660g/mol/bp where the Avogadro's number is 6.02 x 10^23.
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A aqueous solution which is having a 250 ml M contains the 1.560 gm of ammonium chloride (NH4Cl) pKb of NH4OH is 4.757
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How can calculate the pH of a solution of when it is having 0.01MHNO3 How can determine the concentration of hydroxide ion at PH 10
A 1.00 u g sample of a radioactive material contains 6.0x1014 nuclei. After 48 hrs 0.25 ug of the material remains. Determine the half life of the material?
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