(a)
Interpretation:
To determine the plausible chemical equation for the precipitation of copper from a solution of copper (II) sulfate by treatment with hydrogen gas.
Concept introduction:
A chemical equation refers to the symbolic representation of a given
(b)
Interpretation:
To determine the plausible chemical equation for the precipitation of gold from a solution of Au+by addition of iron (II) sulfate.
Concept introduction:
A chemical equation refers to the symbolic representation of a given chemical reaction in the form of formulae and symbols where the product entities are present on the right hand side of the chemical equation while the reactant entities are present on the left hand side of the chemical equation.
(c)
Interpretation:
To determine the plausible chemical equation for the reduction of Copper (II) chloride solution when treated with sulfur dioxide gas in acidic solutions.
Concept introduction:
A chemical equation refers to the symbolic representation of a given chemical reaction in the form of formulae and symbols where the product entities are present on the right hand side of the chemical equation while the reactant entities are present on the left hand side of the chemical equation.
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Chapter 23 Solutions
GENERAL CHEMISTRY-MOD.MASTERINGCHEM.
- The amount of sodium hypochlorite in a bleach solution can be determined by using a given volume of bleach to oxidize excess iodide ion to iodine; ClO- is reduced to Cl-. The amount of iodine produced by the redox reaction is determined by titration with sodium thiosulfate, Na2S2O3; I2 is reduced to I-. The sodium thiosulfate is oxidized to sodium tetrathionate, Na2S4O6. In this analysis, potassium iodide was added in excess to 5.00 mL of bleach (d=1.00g/cm3) . If 25.00 mL of 0.0700 M Na2S2O3 was required to reduce all the iodine produced by the bleach back to iodide, what is the mass percent of NaClO in the bleach?arrow_forwardPredict the products of each of the following reactions and then balance the chemical equations. (a) Fe is heated in an atmosphere of steam. (b) NaOH is added to a solution of Fe(NO3)3. (c) FeSO4 is added to an acidic solution of KMnO4. (d) Fe is added to a dilute solution of H2SO4. (e) A solution of Fe(NO3)2 and HNO3 is allowed to stand in air. (f) FeCO3 is added to a solution of HClO4. (g) Fe is heated in air.arrow_forward
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