Calculate the weight percent of divinylbenzene and benzoyl peroxide in the organ

Question

Calculate the weight percent of divinylbenzene and benzoyl peroxide in the organic phase given the following information. Density of styrene = 0.909 g/mL, density of commercial DVB = 0.912 g/mL, and commercial DVB is 55 wt% DVB with the remainder being mostly ethyl vinylbenzene. Style np = 6.0mL DUB = 2.25 bpzoylppsotide = 75mg Explain any differences in the behavior of linear and cross-linked polystyrene. This report does not need to be long, but it does need to include all the elements of a complete lab report In a few sentences describe the objectives of this experiment

Explanation / Answer

Density of commercial DVB = 0.912 g/ml

Volume of DVB = 2.25mL

Volume of styrene =6.0 ml

Weight of benzoyl peroxide = 75 mg

Weight % of DVB = density of DVB x volume of DVB = 0.912x2.25 x100% = 2.25%

Weight % of benzoyl peroxide = (0.909 x 6)/ 75)x 100 = 7.2%

Linear styrene undergo addition polymerization with benzoyl peroxide

Crosslinked styrene undergo condensation polymerization

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