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Using Henderson-Hasselbalch Equation,
What is the pH of a buffer prepared by mixing equal volumes of 0.1 M KH2PO4 and 0.01 M K2HPO4?
Ka = 1 x 10^-7
She's in the clinic today as well as is asking you to define why this has happened. Be sure to evaluation with her the normal physiology of nerve impulses, before you define the changes that occurred with her multiple sclerosis. Explain what is he..
Give the bond angle and describe the shape around the central atom designated in this molecule.
Calculate the molarity of a solution made by dissolving 0.140 mol Na2SO4 in enough water to form exactly 800mL of solution.
what volume of 0.200 m hno3 is needed to titrate 38.7 ml of 0.175 m naoh? 2 if 42.5l of 0.45 m hcl is titrated with
In a chemical reaction two water-soluble ionic substances react to form an insoluble solid precipitate in a metathesis reaction. Would you expect DS to be positive, negative, or close to zero for this reaction
consider the titration of 50.0 ml of a 0.100 m solution of the protonated form of alinine h2a ka1 4.6 x 10-3 ka2 2.0
What is the chemical balance equation and what causes the color and precipitation?
Problem- Other than fluoride ions in toothpaste preventing tooth decay, what is another example from your everyday life where solubility is important? Explain how solubility plays a role.
Compute the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm
How much time is required to produce 200g of alumimun metal for molten aluminum oxide dissolved in cryolite, if you use a 12.0 amp current.
What is the hydronium ion concentration of a 0.20 M solution of an acid with a Ka
Nitrogen and oxygen combine to form several different nitrogen oxides. In one case 8.4 g of nitrogen reacted completely with 4.8 g of oxygen. In another case, 4.2 g of nitrogen reacted with 9.6 g of oxygen. which pair of nitrogen oxidizes is consi..
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