Wednesday, December 14, 2011

A liquid adhesive, which is used to make laminated boards, consists of a polymer dissolved in a solvent.?

The amount of polymer in the solution has to be carefully controlled for this application. When the supplier of the adhesive receives an order for 3000 kg of an adhesive solution containing 13 wt% polymer, all it has on hand is (1) 500 kg of a 10 wt% solution, (2) a very large quantity of a 20wt% solution, and (3) pure solvent. Calculate the m of the 20% solution and the m of the pure solvent that must be blended together with the 500 kg of 10% solution to fill the order?

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