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Identify the spectator ions present when the following are mixed. Include aggregation states. If there are no spectator ions, say none.
a) a solution of FeCl3 and a solution of NaOH.
b) a solution of NH3 and a solution of HNO3.
c) a solution of KCH3CO2 and a solution of HClO4.
That would mean it wouldn't have any electrons to give. Can anyone answer this for me as to why there are 28 electrons being transferred if hydrogen has a oxidation state of +1 meaning it doesn't have any electrons to give?
Correct the absorbance of the spiked samples for dilution and plot the absorbance versus ppm Fe added. Extrapolate the graph to the point where absorbance is equal to zero to determine the amount of Fe in the cat food sample in ppm.
Define Supercritical fliud. Give an example and it's properties. Which fundemental thermodynamic property is important to the solubility
18.25 ml of 0.197 M NaOH will neutralize 10.00 ml of what molar concentration of H2SO4 solution?
Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?
At constant volume, the heat of combustion of a particular compound is -3973.0 kJ/mol. When 1.481 g of this compound (molar mass = 172.71 g/mol)
A student wants to make a pH 4.0 buffer solution. She decides to use a buffer made from formic acid and sodium formate (NaCOOH).
How many molecules of carbon dioxide are produced when 123 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
A 0.30 M solution of sucrose (C12H22O11) at 37oC has approximately the same osmotic pressure as blood. What is the osmotic pressure of blood?
1) The standard potential of the cell Ag(s)|AgCl(s)\\Cl-(aq)||Ag (aq)|Ag(s) is 0.58 V at 25 °C. Calculate the equilibrium constant for the cell reaction.
What is the molar mass of the gas in a glass bulb with a volume of 2.50 L at a temperature of 22 degrees C and a pressure of 110 mm Hg. The gas weighed 505 mg.
This time took a one-hour break after adding the acetic anhydride but before adding the sodium acetate solution. The student obtained no product. Explain, with chemical equations and/or formulas, what went wrong.?
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