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Question- A 25 mL sample of .1 M HCl is titrated with .1 M NaOH. What is the pH of the solution at the points where 24.5 mL and 24.9 mL of NaOH have been added.
Solve the above problem and provide steps with explanation
Which of the following solvents would be the best choice to extract a slightly-polar organic compound from an aqueous solution? Explain why each of other solvents is less desirable than the solvent you have chosen.
The combustion of liquid ethanol (C2H5OH) produces carbon dioxide and water. Write a balanced equation for this reaction.
Calculate the wavelength in nanometers of the spectral line in the visible spectrum of hydrogen for which n1 = 2 and n2 = 3. What color is this line?
Problem- A 24 hour urine creatinine is diluted 1:10 with saline. The value is too high for accuracy, so the solution is diluted 1:5. What is the final dilution factor
This liquid is then diluted with water to form liquid .sulfuric acid, H2SO4, as the only product in the reaction. Write a balanced chemical equation for the formation of sulfuric acid from H2S2O7 when diluted with water.
Draw the structure(s) of the ketones with the molecular formula C6H12O that have a four-carbon chain.
Calculate the pH of a solution prepared by dissolving 18.32 grams of benzoic acid and 43.23 grams of sodium benzoate in water sufficient to yield 1.00 L of solution.
A 20.29 g sample of impure MgCO3 is completely decomposed at 1000oC in previously evacuated 2.0 L reaction vessel. After the reaction was complete the solid residue had a mass of 15.9 g.
An inflated balloon has a volume of 0.55 L at sea level (1 atm) and is allowed to rise to a height of 6.6 km, where the pressure is about 0.40 atm.
If a solution containing 30.06 g of mercury(II) acetate is allowed to react completely with a solution containing 8.564 g of sodium sulfate, how many grams of solid precipitate will be formed?
At 25 degrees celsius how many dissociated H+ ions are in 167 mL of an aqueous sloution whose ph=12.07? hint find concentration of H+
question a buffer contains 0.40m base b and 0.25m of its conjugate acid bh and has a ph 8.88. what is the ph after
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