Theoretical Principles of the Methods of Analytical Chemistry Based Upon Chemica
Theoretical Principles of the Methods of Analytical Chemistry Based Upon Chemica
G Gabriel Chesneau
The book Theoretical Principles of the Methods of Analytical Chemistry Based Upon Chemica was written by author G Gabriel Chesneau Here you can read free online of Theoretical Principles of the Methods of Analytical Chemistry Based Upon Chemica book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Theoretical Principles of the Methods of Analytical Chemistry Based Upon Chemica a good or bad book?
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If there is then added to the sulphuric acid just the quantity of barium chloride corresponding to the preceding equation, there will remain in solution a small quantity of barium chloride, sulphuric acid and barium sulphate conforming to the isothermal equation of equilibrium >' L BaS0 4 and consequently, a little sulphuric acid will remain unprecipitated. Let us now add an excess of barium chloride which increases Cg a Q 2 . In order that the equilibrium be maintained, it is necessary that CH... 2 S0 4 diminish, or that C H *C1 increase, since C^sO* cannot increase, the solution being saturated with barium sulphate. Now, in order that the concentration of sulphuric acid should dimin- ish or that the concentration of hydrochloric acid should increase, it is necessary that a new quantity of barium sulphate should pre- cipitate. Thus the excess of the reagent, barium chloride, will ren- der the precipitation of the sulphuric acid more complete. Likewise, if we wish to precipitate all the barium contained in a solution, it will be necessary for the same reason, to add an excess of sulphuric acid.
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