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Problem- The pKa of acetic acid, CH3COOH, is 4.74. A buffer solution was made using an unspecified amount of acetic acid and 0.30 moles of NaOOCCH3 in enough water to make 1.50 L of solution. The pH of the solution is 4.55.How many moles of CH3COOH were used?
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Distinguishing the given compounds by Infrared spectroscopy, Cyclohexene and 2-hexyne both have the molecular formula C6H10
Presume you accidently add too much NaOH during a titration. You then add a volume of HCl precisely equal to ½ the volume of NaOH actually utilized in the titration. Define what effect does this have on the Ka
From the subsequent list of chemicals, select two combinations that would lead to a double replacement reaction. State the complete balanced equations for the reactions of the chemicals in solution.
The osmotic pressure of the solution is measured to be 8E-4 bar at 25 C. What is the calculated molar mass of the protein?
Which of the following solutes dissolved in 1.0 kg of water would be expected to cause the water to freeze at the lowest temperature
How many mL of 0.64 molar NaOH must be added to 39 mL of 0.11 molar HCl to completely neutralize the acid.
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When a solution of barium nitrate as well as a solution of copper (II) sulfate are mixed, a chemical reaction produces solid barium sulfate as well as an aqueous solution of copper (II) nitrate. An unknown amount of barium nitrate is dissolved in ..
use the bond dissociation energies of h2 435 kjmol and of y typical carbon-carbon bond 347 kjmol to decide which bond
Diagnostic reactions are those used in medicine to figure out what may be causing a problem. Can you go into detail concerning one such test you or someone you know has undergone? Share one balanced chemical equation related to this, and be sure t..
As space exploration increases, means of communication between humans and other planets are being developed
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