Calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number-average molar mass of 750 kg mol-1 by bulk polymerization at 60%. Assume: the initiator is 60% efficient; (ii) the rate coefficients for initiator dissociation, propagation, and termination are, respectively, 2x10-6 s-1, 341 dm3 mol-1 s-1, and 4x10-3 dm3 mol-1 s-1; (iii) the density of styrene at the polymerization temperature is 0.88 g cm-3; and (iv) termination by disproportionation and chain transfer

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