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Calculate the equilibrium concentrations of boric acid (H3BO3) and the borate anion (H2BO3-) in pH 8 seawater, given a total boron concentration (H3BO3 + H2BO3-) = 4.2 * 10-4 mol L -1 and pK = 8.6. Assume ideal conditions, that the activity coefficients are one.
Arsenic Acid (H3AsO4) has Ka values of 2.5*10^-4, 5.6*10^-8, and 3*10^-13. What is the concentration of the HAsO42- dianion in a solution
Balance the equation for the reaction of sodium metal with water to produce aque- ous sodium hydroxide and hydrogen gas carbon. The products of this reaction are tin and carbon dioxide. When the equation is written and balanced, what is the coeffi..
If you measure the pH and find it to be 11.24, how many grams of triethylmine were used to make the solution?
what is the correct electron configuration for Cr (chromium). Chose the proper Lewis dot structure for the compound or poliatomic ion: Sulfur Dioxide (SO2).
What organic product(s) is formed when 1-methylcyclopentanol is heated in the presence of an acid catalyst?
what is the wavelength of the line in the Balmer series of hydrogen corresponding to the transition for n=5 to n=2? the constant for Balmer's equation is 3.2881*10^15 s-1
If, in a certain experiment, over a specific time period, 0.0055 mol PH3 is consumed in a 2.3 L container during each second of reaction,
The vapor pressure of pure methanol, CH3OH, at 30 C is 160. torr. How many grams of the nonvolatile solute glycerol, C3H5(OH)3, must be added to 131. g of methanol to obtain a solution with a vapor pressure of 133. torr.
what mass of Na2SO4 is needed to prepare 350. ml of a solution having a sodium ion concentration of 0.125 M.
I need help writing the balanced formula equation and the net ionic equation for the reaction of sodium hydroxide with hydrocholoric acid.
A single-stranded RNA phage replicates in E. coli with no DNA intermediates. The following experiments were performed to clarify the phage's mode of replication.
25.0 mL of 1.50M LiOH are neutralized by 15.0mL of nitric acid. what is the molarity of HNO3?
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