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What is the ratio of HCO3- to H2CO3 in an exhausted marathon runner whose blood pH is 7.1? Note: There is no need to consider the Ka2, use only the Ka1.
what fraction of this side chain is positively charged and what fraction is neutral at pH 7.2?
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5CO2H) and 0.15 M sodium benzoate (C6H5COONa). [Ka = 6.5 ? 10-5 for benzoic acid]
Crude oil is a complex solution of liquids, and some gases and solids. The components are commonly separated from each other by utilizing a technique called fractional distillation
What volume in mL of 2.00 M sodium bicarbonate solution is needed to neutralize 25.0 mL of 4.00 M HCl?
draw 1-fluoropentane and predict the number of hydrogens per signal in a H-NMR spectra, and the splitting for each signal?
An unknown amount of water is mixed with 370mL of a 6M solution of NaOH solution. A 75mL sample of the resulting solution is titrated to neutrality with 50.7mL of 6M HCl.
What is the pressure (in atmospheres) of a sample of gas trapped in the closed-tube mercury manometer
2Al(s)+3H2SO4(aq) -> Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 15.5g. What minimum mass of H2SO4(in g) would you need?
One student measure the pH of the following three solution (weak base, conjugate acid and buffer). Using this data, please calculate the pKa and pKb (show calculation).
What volume of water, in gallons would be required to fill a 750 mL container? 1 liter = 0.265 gallon Calculate the volume of millimeters for each of the following
Using the concentration of CH3COOH (0.8326M) and the equilibrium concentration of H3O+ (OJ = 31.6x10^-6 and milk = 3.16x10^-8), complete the reaction table for vinegar. Then calculate the acidity constant. Please show all work in solving the probl..
A rubber balloon was inflated with helium gas and floated in the air. The next day, the balloon was somewhat smaller and no longer floated.
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