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Question- Calculate the mass of cobalt metal that will be deposited when a current of 2.00 A is passed through a solution of CoSO4 for 10.0 hours.
Here is the problem which I am struggling on, please help me!
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what is the [H3O+] and the pH of a benzoic acid-benzoic buffer that consists of 0.15 M C6H5COOH and .47 M C6H5COONa? (Ka of benzoic acid = 6.3 * 10^-5)
1.0 ml of a 3.60 x 10-4 m solution of oleic acid is diluted with 9.00 ml of petroleum ether forming solution a. then
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A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.
The first ionization energy of lead (Pb) is 716 kJ/mol. If a Pb atom is ionized using a photon of ultraviolet radiation having an energy of 1.987E-18 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electro..
Explain how you would prepare this buffer solution. Be specific about the volumes of the solutions you would use.
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