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HA is a weak acid. An aqueous solution 0.030 M in HA has a pH of 3.93 at 25*C. What is Ka for HA?
Describe a simple and practical way to make 1.00L of this buffer solution, assuming 1.0 M solution of the molecular base is available and that the chloride salt of the conjugate acid is available as a SOLID.
as we know that there are various objects and a lot ofnbsp even biological organisms are invisible to naked eye . there
Potassium permanganate, KMnO4, is a powerful oxidizing agent. The products of a given redox reaction with the permanganate ion depend on the reaction conditions used. In basic solution, the following equation represents the reaction of this ion wi..
Discuss the merits and disadvantages of dispensing a drug as a reacemic mixture or as a single enantiomer.
Calculate the volume of reagent required for each reaction in this lab sequence, assuming the tarting mass of copper used is 1.00g. Concentrations of reagents are
During the initial stages of method development, the researcher was unable to separate anthracene and naphthalene with baseline resolution. From the options below, select all possible modifications the researcher could make to improve the resoluti..
What is a by-product that could form from the condensation/elimination of 1,3-diphenylacetone in a reaction with benzil and a base catalyst. The major product is tetraphenylcyclopentadienone.
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water. MnO4-(aq) + H2C2O4(aq) ? Mn2+(aq) + CO2(g)
Explain a resting nerve cell membrane, sodium-potassium pump, action potential and what wil happen if sodium channels were blocked
Determine the enthalpy change if The heat released when 24.9 grams of Potassium K reacts with excess H2O water is 124 kilo joules?
Determine the number of moles of oxygen that react completely with 8.0 moles of C2H6 based on the following balanced equation.
2A yields 3B; ?H -50 kJ. If 9 moles of B are formed during this reaction, what was the enthalpy change
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