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Chemistry, 24.09.2019 22:20 kristy2958

The drug streptomycin is produced on a large scale in the united states. after purification, streptomycin is 40 wt.% in water. for applications, including iv drips, the streptomycin must be diluted and preservative must be added. the diluent stream contains 2 wt.% nacl in water. the preservative stream contains 12 wt.% preservative and 5 wt.% nacl in water. these three streams are mixed together in a mixing tank. the outlet stream is ready for packaging in iv bags. (a) determine the ratio of the stream containing the drug to the outlet stream, given that the drug is 8 wt% in the outlet stream. (b) determine the ratio of the stream containing the preservative to the outlet stream, given that the preservative is 4 w. t% in the outlet stream. (c) determine the ratio of the diluent stream to the outlet stream, given that the drug is 8 wt.% and the preservative is 4 wt.% in the outlet stream. (d) what is the basis in this problem? (e) calculate the mass flow rates of the three inlet streams. (f) what is the wt% of the nacl in the outlet stream?

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The drug streptomycin is produced on a large scale in the united states. after purification, strepto...
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