An aqueous solution of sodium hydroxide contains 20% NaOH by mass. It is desired to produce an 8% NaOH solution by diluting a stream of the 20% solution with a stream of pure water.
(a) Calculate the ratios (g H2O/g feed solution) and (g product solution/g feed solution).
(b) Determine the feed rates of 20% solution and diluting water needed to produce 2310 lb/min of the 8% solution.
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