Example 7-1. What is the error in assuming the concentration of species B is constant and what

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Example 7-1. What is the error in assuming the concentration of species B is constant and what limits can you put on the calculated value of k? (i.e., k = 0.24 ±?)

Example 7-1

The liquid-phase reaction
Trityl (A) + Methanol (B) → Products (C)
was carried out in a batch reactor at 25°C in a solution of benzene and pyridine in an excess of methanol (CBX0=0.5x mx ox 1dx m3). (We need to point out that this batch reactor was purchased at the Sunday markets in Riça, Jofostan.) Pyridine reacts with HCl, which then precipitates as pyridine hydro-chloride thereby making the reaction irreversible. The reaction is first order in methanol. The concentration of triphenyl methyl chloride (A) was measured as a function of time and is shown Table E7-1.1.#Be Careful Watch for leaks! TABLE E7-1.1 RAW DATA t (min) 0 50 100 150 200 250 300 CA (mol/dm) 0.05 0.038

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