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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?
the smell of ripe raspberries is due to4-p-hydroxyphenyl-2-butanone which has the empirical formulac5h6o. to find its
100 mL of 0.150 M acid HA are mixed with 100 mL of 0.0800 M NaOH. Calculate the titration constant, kt, of the resulting reaction. Ka = 1.0 x 10-5
Calculate an unknown concentration of cobalt (II) nitrate if it and the original substance I was using both exhibit the color red? I'm pretty sure the answer is yes, but I want to double check.
how I resolve it, A 1.25 gram sample of methane is container in a 850.0 mL flask at295.65 K.What is the pressure of this gas?
A flask contains 0.120 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
What is the equilibrium constant for the acid-base reaction between ammonia and acetic acid
Consider a separation train consisting of two distillation columns which are designed to separate a three componentmixture of benzene, toluene, and xylene into three streams, each rich in one of the species asshown below.
Draw (A) a 1o alcohol with four carbons; (B) a 3o iodide with five carbons; (C) a 2o alcohol with a 1o chloride on three carbons; and (D) a methyl bromide.
The following substances dissolve when added to water. Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution.
What are the most important kinds of INTERmolecular forces present in each of the following substances
Suppose that ammonia (a monoprotic base), applied to a field as a fertilizer, is washed into a farm pond containing 3.0 × 106 L of water. If the pH of this pond is found to be 9.81.
If two reactions sum to an overall reaction, and the equilibrium constants for the two reactions are and , what is the equilibrium constant for the overall reaction
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