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The mean activity coefficient of a 0.01 molal sulfuric acid solution is 0.544. Explain what is its mean ionic activity? Sulfuric acid is H2SO4
The pka of the carboxyl group is 3.0. you have 500liters of 0.1 M acetylsalicylic acid. how much solid sodium hydroxide has to be added to convert all of the acetylsalicylic acid into sodium acetylsalicylate
a certain ideal gas has molar heat capacity at constant volume cv. a sample of this gas initially occupies a volume vo
Iodine gas and bromine gas combine to form iodine monobromide according to the following equation with an equilibrium constant of 1.2 x 102 at 150 0C. I2 (g) + Br2 (g) 2IBr (g)
What is the internal energy change for the gas. Give your answer in joules (J), accurate to three significant figures
what mass in grams of a 0.5 m solution of sodium acetate in water would you use to obtain 0.150 mol of sodium acetate
A solution of Na3PO4 is added dropwise to a solution that is 0.0494 M in Ag+ and 0.00318 M in Cu2+. The Ksp of Ag3PO4 is 8.89e-17. The Ksp of Cu3(PO4)2 is 1.4e-37. (a) What concentration of PO43- is necessary to begin precipitation
What volume in milliliters of 9.950x10^-2M sodium hydroxide solution is required to reach the equivalence point in the complete titration
a man has sickle cell anemia, and an examination of his blood shows that a point mutation has caused the
A 4.00-g sample of iodine was reacted completely with excess bromine. The mass of the compound formed was 11.56 g. Determine the empirical formula.
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base NaOH (aq)
Explain how it is that the concentrations of chloride ions in these beakers are different even though the concentrations of each substance(compound) are the same.
Hemoglobin, the oxygen carrying protein in red blood cells, has four iron atoms per molecule andcontains 0.340 percent iron by mass. Calculate the molar mass of hemoglobin
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