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What is the cell potential for a cell constructed by immersing a strip of manganese in a 1.00 M MnSO4 solution and a strip of iron in a 1.00 M FeSO4 solution and completing the circuit by a wire and salt bridge?
Suppose you have a solution that might contain any or all of the following cations: Cu2+, Ag+, Ba2+, and Mn2+. Addition of HCl causes a precipitate to form.
If I have hydrogen peroxide, molecular weight(g/mol) is 34.02, its density (g/ml) is 1.2, its concentration is 50% by weight and I have 2mL of it how many mols would I have
Calculate the pH when 16 mL of 0.100 M sodium hydroxide is added to 10.00 mL of a 0.100 M phosphoric acid solution
How many mL of Br2 (l) with a density of 3.12 g/mL must you dispense to have 1.56 mole (mol) of Br2 (l).
A 10.0-gram sample of an unknown solid monoprotic acid is dissolved in water and titrated with 0.789 M NaOH, requiring 40.6 mL to reach the endpoint. Determine the molar mass of the unknown acid.
What is the relationship between energy and the wavelength of an electromagnetic radiation
If 1.0 μg/ml of pigment X shows an absorbance of 0.059 at 370 nm, then what is the concentration of a solution of pigment X that shows an absorbance of 0.443 at 370 nm? (Assume linearity.)
What is the molecular mass for a gas that has a density of 16.1 g/L at 25oC and 3.00 atm pressure
A cetain weak acid, HA, has a Ka value of 1.4E-7 A) Calculate the percent ionization of HA in a 0.10 M solution. B) Calculate the percent ionization of HA in a 0.010 M solution
Find the activity of water in this sucrose solution, given that the vapor pressure of pure water at 25 degree C is 3.167 kPa. (b) If a 2.00 mol/kg aqueous sucrose solution has a vapor pressure of 3.033 kPa at 25 degree C, find the activity and act..
In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively. What is the equilibrium partial pressure of SO3 in the mixture?
When aluminum reacts with concentrated hydrochloric acid, hydrogen gas evolves. The hydrogen is collected by displacement of water at 22ºC at a total pressure of 750 torr.
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