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Calculate the concentrations of species in solution and the pH when 0.1 moles of FeSO4 are placed in 1 L H2O at T=25 deg C. Consider hydrolysis and assume ideal solution. The pK of FeSO4 is 10^-2.65.
How are vapor pressure and boiling point of a liquid related to each other? What does intermolecular attraction have to do with either
Two different proteins X and Y are dissolved in aqueous solution at 37 C. The proteins bind in a 1:1 ratio to form XY. A solution that is initially 1.00 mM in each protein is allowed to reach equilibrium. At equilibrium, 0.18 mM of free X and 0.18..
Write the Henderson-Hasselbalch equation for a solution of propanoic acid (CH3CH2CO2H, pKa = 4.874 ) using HA and A- in the expression. pH= ? Using this equation, calculate the quotient
The concentration of KBr in a solution prepared by dissolving 2.13 g of KBr in 897 g of water is moral
Consider the reaction when aqueous solutions of barium acetate and chromium(III) iodide are combined. The net ionic equation for this reaction is
an auto bumper is coated with a layer of chromium 0.017 cm thick. the bumper has a surface area of 3.43 x 104 cm2. the
What is the pH of concentrated sodium hydroxide? NaOH FW=40.0 g/mol
What is the solubility of AgCl when it is in a solution of 0.15 M NaCl? (AgCl has Ksp = 1.8 x 10-10.) Make a reaction table. Include rows for initial concentration, change in concentration, and equilibrium concentration.
What is the osmotic pressure of a solution made from dissolving 55.0 of glucose, , in 200 of water at 29.0
What volume to the nearest 0.1 mL of 4.50-M NaOH must be added to 0.400 L of 0.150-M HNO2 to prepare a pH = 3.20 buffer
Ethanol has a molar mass of 46.08g/mol and a density of 0.789g/mL. It is a clear, colorless liquid that dissolves readily in water. How many milliliters of ethanol would be needed to make 1.20L of a 2.75M solution?
A) Colloids are homogeneous solutions. B) A true colloidal particle will not settle out of the dispersing medium. C) Colloidal particles can usually pass through a semipermeable membrane.
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