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A drier can process 800 lbs per day of a material that is 90%-by-weight H2O and 10%-by-weight solids. This drier produces an intermediate that is 20%-by-weight water. This intermediate is then dried in an oven. This oven produces a final product that contains 2%-by-weight water.

a. Draw a schematic of this process (hint: there are 2 units, a drier and an oven)

b. What is the mass of water in all streams leaving the drier and the oven?

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