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(a) Plot of substitution time τ versus the ratio of the length of the invading chain to that of the chain being displaced for 30:30 A-B complex (bottom) and 60:60 A-B complex (top); no salt (Γ = 2.8, L = 320l0). (b) Dependence of τ on NC/NA for NA = 30 = NB with 0.15M monovalent salt (Γ = 2.8, L = 50l0).
