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A solution containing a metal cation of charge 3+ is electrolyzed by a current of 5.00 A for 10.0 minutes. What is the identity of the metal if 0.280 grams of the metal is plated out in the electrolysis? Show all calculations. (hint: you have to use literature data of Faraday constant)
If 0.90 mole of MnO2 and 48.2 g of HCl react, which reagent will be used up first?
five grams of the specified pure solvent is placed is placed in a variable volume piston. What are the molar enthalpy and total enthalpy of the pure system when 50% and 75% have been evaporated at
What is the freezing point of a solution of 1.17 g of 1-naphthol, C10H8O, dissolved in 2.00 mL of benzene at 20°C? The density of benzene at 20°C is 0.876 g/mL. Kf for benzene is 5.12°C/m, and benzene's normal freezing point is 5.53°C.
The atomic mass of element X is 22.99 amu. A 19.98-g sample of X combines with 16.51 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
Predict the products when cyclohexanol is heated in the presence of H+. Show both the organic product and the byproduct
What mass of melamine will be obtained from 168 kg of urea if the yield of the overall reaction is 79.0%
Using the information below, calculate the mass of benzene in each phase and find the total mass of benzene at the site.
If 20.0mL of 0.00200 M Fe(NO3)3 is diluted to 50.0mL, what is the concentration of Fe+3 in the diluted solution?
Deuterium oxide (D2O, where D is deuterium, the hydrogen-2 isotope) has an ion-product constant, Kw, of 8.9 x 10^-16 at 20 *C (degrees Celsius). Calculate [D+] and [OD-] for pure (neutral) D2O at this temperature.
The melting point of water is 0.000C at 1 atmosphere. If 11.64 grams of chromium(II) acetate, (170.1 g/mol), are dissolved in 287.2 grams of water .what is the molarity?
If 5.50 of the unknown compound contained 0.183 moles of carbon and 0.367 mol of H of , how many moles of oxygen, , were in the sample?
Determine the molar concentration of chloride ions after adding 225 ml of 0.625 MKCL with 615 ml of 0.385M MgCl2 if final volume of the solution is 840ml.
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