Write equation to represent dissociation of sodium sulfate
Write an equation to represent the dissociation of Na2SO4 into ions in an aqueous solution. 5.3 grams of Na2SO4 are dissolved and diluted up to 350 ml. What is the final concentration of Na in moles/liter?
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A buffer solution contains 0.17 mol of propionic acid and 0.24 mol of sodium propionate in 1.50 L. What is the pH of the buffer after the addition of 0.01 mol of HI?
Arrange the following elements from greatest to least tendency to accept an electron. Rank from greatest to least tendency to accept an electron.
Question: A 24.0 kg gold bar at 27.0°C is placed in a large, insulated 0.800 kg glass container at 15.0°C with 2.00 kg of water at 25.0°C. Calculate the final equilibrium temperature.
Hydrogen peroxide is a powerful oxidizing agent used in concentrated solution in rocket fuels and in dilute solution as a hair bleach. An aqueous solution of hydrogen peroxide is 30.0% m/m and has a density of 1.11g mL-1. Calculate its molality, m
Volume of naoh solution used for flask number one or run 1 : 17.56 ml. How to calculate the molar mass of this unknown metal carbonate for run one?
Explain with appropriate illustriation the concept of Resonance stabilization of propan-2-one
Use the density of copper (8.95 g/cm3) and its molar mass (63.55 g/mol) to calculate an approximate atomic radius for copper.
Calculate the pH of the solution formed by the addition of 55.5 mL of 0.100 M NaOH to 49.2 mL of 0.100 M H3PO4.
Calculate the amount of Tris (hydroxlmethyl) aminomethane (Tris) necessary to make 100mL of a 0.100M Tris buffer that is equimolar in Tris-base(MW=121.1 g/mol) and Tris-HCl(MW=157.6g/mol).
How many grams of precipitate are formed when 50.00 mL of 2.00 M NaOH and 30.00 mL of 0.125 M Fe(NO3)3 are mixed? Which one is limited
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