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Calculate the concentrations of all ionic species in a 0.25 M solution of aspartic acid at pH 2.2, pH 4, and pH 10. What is the net charge of aspartic acid at pH 1, pH 7 and pH12? What is its isoelectronic point? At what pH or pHs would this serve as a good buffer?
What are the net ionic equations for: 1. Potassium Fluoride and Ammonium Chloride and 2. Sodium Hydrogen Sulfite and Potassium Cyanide
Calculate the equilibrium constant Ksp for Mg(OH)2 (s) at 25 degrees celcius. Is the dissolution of Mg(OH)2 endothermic or exothermic
Derive Assume rapid equilibrium an equation when you have the following reactions - Use nomenclature like MWC model
14.0 moles of gas are in a 6.00 tank at 22.6. calculate the difference in pressure between methane and an ideal gas
34.62mL of 0.1510M NaOH was needed to neutralize 50.0mL of an H2SO4 solution. What is the concentration of the original sulfuric acid solution?
Problem- Which of the following sets of 'd' ions in octahedral complexes can have both high and low spin options
The delta G inital for the dissociation of an aqueous solution of a weak acid at 25 degrees celcius is 14.8 kJ. What is the calue of Ka for the acid?
at a constant volume and moles the temperature of a sample of neon ne gas increased from 320f to 370c. what is the
A compound forms cis-1,2-dimethylcyclopropane when it is reduced with H2 and Pd/C. The H NMR spectrum of the compound shows only two singlets. What is the structure of the compound
In a reaction 8200 g of sodium reacts with 74.00 g of ferric oxide to form sodium oxide and iron metal. Calculate the mass of sodium iron produced.
If someone using one of those masks exhales 0.716 g of CO2/min, how many grams of potassium superoxide would be consumed in 12.00 minutes?
In a combustion reaction 4 moles of C8H18 react with 8 moles of O2. If the actual yield of CO2 produced is 28.16 grams, what is the percent yield?
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