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What hydroxide concentration is required to, from a 2.50 X 10- 2 M solution of AliS04h, lower the AI3+ concentration in the foregoing solution to 2.00 X 10- 7 M?
what are the equilibrium concentration of N2 C. If the initial concentration of NO is 0.177M , what are the equilibrium concentration of O2
For each metal complex, give the coordination number for the metal species. a. [M(CO)3F3 b. Na[Ag(CN)2] c. [Pt(en)Cl2]
A 2.50-g sample of this mixture was dissolved in 100.0 mL of water, and 0.750 M silver nitrate was added dropwise until precipitation was complete. The precipitate was collected, dried and weighed. What was the mass percent of barium chloride in t..
What is the high-T approximation for rotations and vibrations? For which of these two degrees of freedom do you expect this approximation to be genrally valid at room temperature?
How many moles of H3O+ must be added to one liter of a solution to adjust the pH from 7.48 to 5.90?
A scuba divers tank contains 0.29kg of O2 compressed into a volume of 2.3L. Calculate the gas pressure inside the tank at 9 degrees C
Calculate the freezing point of a solution of 500.0 g of ethylene glycol (C2H6O2) dissolved in 500.0 g of water. Kf = 1.86 degrees C/m and Kb
In this experiment we used ortho-vanillin and p-toluidine to form the imine. Why does the reaction mixture turn into a liquid when the ortho-vanillin and p-toluidine are initially mixed? What is the name or melting point of the product?
consider the hypothetical tetrapotic organic acid h4org mw236gmol pka14.07 pka26.88 pka37.90pka412.10 assume you begin
Compute ΔU for the transformation; a = 0.136 m6Pa mol-2 ; b = 0.0391 L/mol.
PCl5 + 4H2O > 5HCl +H3PO4. How many total moles of acid are formed when starting with 4.5 g of PCl5 and excess H2O.
a 39 l tank contains a gas under a pressure of 186 atm. what volume would the gas occupy at the same temperature at 550
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