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A. what mass of solid FeCl3 is required to prepare 250.0 ml of 0.245 M FeCl3 solution? B. How would you prepare 500.0 mL of 0.0500 M FeCl3 solution starting from the above solution in part A
The iron content of an ore can be determined by a redox titration using K2Cr2O7 as the titrant. A sample of the ore is dissolved in concentrated HCl using Sn2+ to speed its dissolution by reducing Fe3+ to Fe2+.
at is the pH of this new solution. Assume no volume change after NaOH(s) was added. Molar Mass NaOH= 39.998 g/mol. Answer given was pH = 13.52, What are the steps to get here
describe the preparation of 400 mL of a solution that is 0.0500 M in I-, starting with MgI2.
0.2 grams of HCl is dissolved in 0.8 grams water. the density of the solution formed 1.10 g/mL. What is the molarity of the solution
How many grams of oxygen are required to completely burn 5.90g of C3H8 in the following unbalanced
The combustion of carbon with excess oxygen forming carbon dioxide is exothermic. C(s) + O2(g) => CO2(g) ?Hrxn = -393 kJ If 5,284kJ of heat is needed from the combustion, how much carbon (g) must be consumed
1.56 g of a gas dissolves in 2.00 L of water at a pressure of 1.75 atm. At what pressure will 2.00 g of the gas dissolve in 2.00 L of water if the temperature remains constant?
the property of mercury that allows it to form an amalgam with gold has been used in thee mining industry for hundred of years. during the boom in california in the 19th century, it is estimated that 3.0X10^6 pounds of gold were produced using thi..
Predict the product that would result from the reaction of the following. Balance each equation you write
Which of the following properties would you expect to be different for the two enantiomers of 2-pentanol? A. boiling point
How many grams of ammonium sulfate can be produced if 30.0 mol of H2SO4 react with excess NH3 according to the equation 2NH3(aq) + H2SO4(aq) => (NH4)2SO4(aq).
The density of benzene at 25.0 degrees C is 0.879g/cm3. What is the volume in liters of 2.5 kg benzene?
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