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Problem- What is the pH of a buffer that results when 12.0 g of HaH2PO4 and 8.00 g of Na2HPO4 are dilluted with water to a volume of .50L? (Ka of H2PO4^- = 6.2*10^-8, the molar masses of NaH2PO4 and Na2HPO4 are 120.0 g/mol and 142.0 g/mol, respectively).
It is not a question in the book, so I just need the full solution of deriving
On a dry day, your body can accumulate static charge from walking across a carpet or from brushing your hair. If your body develops a charge of -14 (microcoulombs), how many excess electrons has it acquired
The rule works particularly well for weakly interacting molecules, such as those of a noble gas, but not so well for water among other substances. Assuming the rule is exact, estimate the molar enthalpy of evaporation for Argon (in kJ/mol), whose ..
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H2C2O4 and H2O in the balanced reaction
The nuclear mass of 141Ba is 140.883 amu. Calculate the binding energy per nucleon for 141Ba.
Explain the trituration process and why all of the CH2Cl2 solvent must be removed to yield piperine crystals
question calculate the density of vanadium which crystallizes in a body centered cubic lattice the length of the edge
The reactions occur in acidic solution. (Use the lowest possible coefficients. Omit states-of-matter in your answer.) (a) MnO4- + H2SO3 ? Mn2+ + SO42-
Determine the boiling point of water under pressure of 0.5 bar, given that the standard boiling point is 373 K as well as enthalpy of vaporization is 40.7 kJ/mol.
Question- Calculate the equilibrium constant for the following reaction at room temperature 25 degree Celsius
structures of all cycloalkenes that yield n-propyl cyclopentane when subjected to catalytic hydrogenation
Why do you require to acidify (add concentration hydrochloric acid) to the reaction mixture previous to crystallization (Preparation on benzoic acid use oxidation)
The temp of the water and that of the gas are identical at 26°C. How many moles of Helium have been evolved?
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