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A voltaic cell consists of a pb/pb^2+ half-cell and a Cu/Cu^2+ half-cell at 25 Celsius. The initial concentrations of Pb2+ and Cu2+ are 5.10×10-2 and 1.40
Whats the cell potential when the Cu2+ conc. has fallen to .220M?
What are the conc. of Pb2+ and Cu2+ when the cell potential falls to .350V?
What is the molarity of the HCl solution if 270 mL of the HCl solution reacts with magnesium to produce 7.40 L of H_{2} gas measured at STP.
calibration data for a f-ion-selective electrode using kf standard solutions prepared in buffer of 0.5 m ionic strength
In the titration of a monoprotic acid with a solution of sodium hydroxide of known concentration, what quantities are equal at the equivalence point
Excessive quantities of wash water are added to the CaC2O4. H2O precipitate. Will the mass of the CaC2O4. H2O be reported too high, too low, or remain unaffected? Explain
when 1 gram of nitroglycern c3h5no33 decomposes to form nitrogen gas oxygen gas gaseous carbon dioxide and liquid water
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.8. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.75 M B(aq) with 0.75 M HCl(aq).
Classify each of the following aqueous solutions as a nonelectrolyte, weak electrolyte, or strong electrolyte.a)LiClO4 b)HClO c)CH3CH2CH2OH d)HClO3 e)CuSO4 f)C12H22O11
Two solution are mixed, Zn(NO3)2 and Na2CO3. If at the instant of mixing the [Zn(NO3)2]=3.7x10^-5M and [Na2co3]=1.5x10^-6M will a precipitate form?
I would like to know how to write an equation that represents the reaction of 2% aqueous KMnO4 solution with 3-hexene
why do you suppose it is that you did an oxidation-reduction titrattgn to determine its concentration instead of an acid-base titration?
A solution is prepared by dissolving calcium chloride in water and diluting to 500.0 mL. If this solution contains 44 ppm chloride ions, the concentration of calcium ions is how many ppm
Which orbital hydridization is associated with a tetrahedral charge cloud arrangement (a) sp (b) sp2 (c)sp3 (d) noe of these
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