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How do you calculate the molarity of KMnO4 after it has been titrated by .0505 M (COOH)2? The only information you are given is .0011 mol of KMnO4 and no volume...this is for prelab 6.
To produce 225 moles of tetraphosphorus decoxide how many moles of oxygen are required?
If the equilibrium concentration of Cd2+ ion is 1.5 X 10-6 M, calculate the equilibrium concentration of OH- in an aqueous equilibrium between solid Cd(OH)2 and its ions. (Ksp for Cd(OH)2 is 2.5 X 10-14)
If you have 15mL of 0.1 M NaC2H3O2, and the pH is 7.0. What would the Kb be for this reacton
What is the pH of a solution which is 0.025M in weak base and 0.035 M in the conjugate weak acid (Ka=7.1 x 10^-6)c
A sample of chlorine, which has an average atomic mass of 35.86, consists of two isotopes with mass of 35 and 37. What is the percent (to 0.1%) abundance of the 37 isotope?
Describe, with equations, how a solution of sodium cyanide, NaCN, with hydrogen cyanide, HCN, functions as a buffer
What is the mechanism for the compound with the starting materials maleic anhydride, THF with curved arrows
the reaction of concentrated hydrochloric acid with zinc metal -the reaction of solid strontium carbonate with nitric acid
The equation for a Beer's Law plot is y = 2012.5x + 0.003. If the recorded absorbance for an equilibrium mixture is 0.362, what is the concentration of FeCNS2+ (aq)?
Draw the Lewis Dot structure for the following, then determine the molecular structure, hybridization, bond angle and if it is polar or non-polar. N2H2.
Give the reaction products of sodium borohydride (followed by acidification) with the following compounds. a) acetone
Change in heat content We write H = Hfinal - Hinitial or for chemical reactions H = Hproducts - Hreactants Given this equation, What sign is H for exothermic reactions? What sign is H for endothermic reactions?
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