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Given that the solubility of magnesium fluoride is 0.0729 g/L, calculate the value of Ksp for this salt?.
A. 6.40 x 10-9
B. 1.55 x 10-3
C. 1.36 x 10-6
D. 3.87 x 10-4
E. 1.60 x 10-9
what is the bronsted-lowry definition of an acid ,and how does thiss affect the concentration of H+ in a solutin?
Determine how many grams of oxygen gas would be needed to combine exactly with 13.2 kg of propane (C3H8) gas (the 3 and the 8 are subscripts).
What is the wavelength (in nanometers) associated with a photon which has an energy content of 4.86E-24 kJ
The solubility of BaSO_4 is 2.4*10^-3 g/L at room temperature. What is the value of K_sp for BaSO_4 at this temperature?
When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown?
A portable photometer with a linear response top radiation registered 83.2 microamps with a blank solution in the light path. Replacement of the blank with an absorbing solution yielded a response of 451 microamps calculate
Consider 1.70 mol of carbon monoxide and 3.00 mol of chlorine sealed in a 3.00 L container at 476 oC. The equilibrium constant, Kc, is 2.50 (in M-1) for CO(g) + Cl2(g) = COCl2(g), Calculate the equilibrium molar concentration of CO.
A reaction is preformed in aqueous solution, and the temperature of the solution increases by 15.78 degrees celcius. Is the reaction exothermic or endothermic?
A solution containing the two compounds exhibits absorbances (using a 1.00cm cell) of 0.726 and 0.544 at 267 and 312nm, respectively. What are the concentrations of A and B in mg/mL? Note: The aborptivity values are given in units of L/g.cm.
A solution is made by dissolving 0.545 mol of nonelectrolyte solute in 817g of benzene. Calculate freezing point and boiling point of solution.
Based on the Hume-Rothery Rules, speculate on the possible driving forces behind the tendency for ordering in this system.
An ideal gas is contained in a cylinder with a volume of 5.0 102 mL at a temperature of 30°C and a pressure of 720. torr. The gas is then compressed to a volume of 25 mL, and the temperature is raised to 794.°C. What is the new pressure of the gas..
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