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Problem- A student titrated a solution of formic acid with sodium hydroxide. The student plotted pH versys volume (mL) of NaOH added and found the titration required 26.66mL of NaOH to reach equivalence point. Describe how you would use the students titration curve to determine the K(a) value for formic acid.
Rework your solution from the beginning and check each step carefully.
given the following balanced chemical equation answer the following questions 3cacl2nbspaq 2
If I have a .01 moles of H2P04 buffer in 40mL of solution at pH =6.5, Explain what should the pH be after I add 1mL of 1M HCl
the molecule 2,2-dimethylheptane, draw Newman projections of the most and least stable forms of 2,2-dimethylheptane, viewing doen the C3-C4 bond, label th energy vs conformation angle diagram
How many moles of nonane (C9H20) and oxygen are required to produce 13.5 moles of carbon dioxide and 15 moles of water by complete combustion
Calculate the maximum mass of calcium metal that should be used in an equivalent mass determination with a 100-mL gas measuring tube for collection. For the purposes of calculation, assume 80.0 mL of hydrogen gas produced at standard conditions
State the advantage and disadvantage of a furnace compared with a flame in atomic absorption spectroscopy
Concentration of a Species, One mole of NOCl gas is added to a 4.0L container. The NOCl undergoes slight decomposition to form NO gas and Cl2 gas.
How many grams of cholesterol are in 230 mL of blood? The concentration of cholesterol (C_27H_46O) in blood is approximately 5.0mM.
Calculating percent purity from a reaction, One of the reactions that occurs in a blast furnace, where iron ore is converted to cast iron is Fe2O3 + CO = Fe + CO2.
Forecast the order of elution of the amino acids from the ion-exchange column. Presume only ionic interations between the amino acids and the resin. Are the amino acids separated from each other
A piece of sodium metal reacts completely with water as follows. 2 Na(s) + 2 H2O(l) ->2 NaOH(aq) + H2(g) The hydrogen gas generated is collected over water at 25.0°C. The volume of the gas is 295 mL measured at 1.00 atm.
What is the relationship between the ionization energy of an anion with a 1- charge such as F- and the electron affinity of the neutral atom, F
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