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s. Review the condition for a pseudo-rate law in the Background section. Which m

ID: 1006619 • Letter: S

Question

s. Review the condition for a pseudo-rate law in the Background section. Which mole ratio described in question 4 above should be used to ensure that the reaction between CV+ and OH- ions can be treated using the pseudo-rate law to determine the reaction order n with respect to 4 Assume that the reaction cv and oln ions (Equation proceeds o pletion, that is, the solution turns colorless what percentage of cv and OH ions will remain the end ofreaction if the initial crystal violet to sodium hydroxide mole ratio is 1:1 (Reaction 1 What if the initial ratio is 1:1000 (Reaction 2? Reaction I: Reaction 2. Or CVOH Fore reactum I, the reachon completes in the forward directon and at the end of the reaction, were is no Cut and at tre end of the reaction Percentage of Law HJ and Co are o and o etiel r feachon av at equilibrum, the total cond echa hon x loo therefore of CV 1000 991 of OH x10D f is

Explanation / Answer

5.If the concentration of a reactant remains constant (because it is a catalyst or it is in great excess with respect to the other reactants), its concentration can be included in the rate constant, obtaining a pseudo–first-order(or occasionally pseudo–second-order) rate equation.

In question 4 reaction 2 can be used having molar ratio of CV and OH 1:1000