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An unknown metal hypochlorite salt, M(ClO)2, is subjected to analysis by iodometric titration: the salt is dissolved in dilute sulfuric acid, treated with excess aqueous KI,and then titrated with Na2S2O3. The unknown metal ion(M2+) is completely unreactive in the titration. However, all of the hypochlorite ion bonded to the metal reacts completely with Na2S2O3. Iodometric titration of an acidified 0.0499 g sample of M(ClO)2 required 28.42 mL of 0.05521 mol/L Na2S2O3 to reach the equivalence point. What is the identity of metal M?
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts
What is the pH of a solution obtained by adding 75.0mL of 0.366M CsOH to 250.0 ml Ba(OH)2 solution with a pH of 11.65.
the Brackett series of hydrogen has a wavelength of 2626 nm. From what state did the electron originate
If equal masses of H2 and O2 (100.0 grams each) are reacted together to produce water, how many grams of water could be produced.
A zero-order reaction has a constant rate of 3.20×10-4 . If after 60.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
Hydrochloric acid reacts with aluminum to form aluminum chloride and gseous hydrogen. What's the mass of aluminum required to produce 1.0kg of aluminum chloride if there is excess acid?
The activation energy for the isomerization of methyl isonitrile (see figure below) is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 499 K.
Determine the pH of a 0.432 M sodium acetate (NaC2H302) solutions
Iodine gas and bromine gas combine to form iodine monobromide according to the following equation with an equilibrium constant of 1.2 x 102 at 150 0C. I2 (g) + Br2 (g) 2IBr (g)
When mixed HCl an acid and NaOH a base will react with each other. a) Write the balanced neutrali zation equation for this reaction
What are the flight times of the singally and doubly-protonated ion forms of a 1735.4 Da peptide accelerated by a potential of 25.00 kV
List possible manipulation errors that might contribute to the following errors in results
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