An aqueous solution of sodium hydroxide contains 20.0% NaOH by mass. It is desired to produce an 8.0% NaOH solution by diluting a stream of the 20% solution with a stream of pure water. Calculate the ratios (liters H20/kg feed solution) and (kg product solution/kg feed solution). F =? kg = 0.2 P =? kg = 0.8 xNaoH = 0.08 kg NaOH/kg F2 =? kg F2 = 0.92 kg H20/kg XH20

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Ex7;
An aqueous solution of sodium hydroxide contains 20.0% NaOH by mass. It is desired to
produce an 8.0% NaOH solution by diluting a stream of the 20% solution with a stream of
pure water. Calculate the ratios (liters H20/kg feed solution) and (kg product solution/kg
feed solution).
F =? kg
= 0.2
XNaOH
P =? kg
XH,0
= 0.8
F2 =? kg
F2
= 0.08 kg Na0H/kg
xH,0 = 0.92 kg H20/kg
%3D
1
Transcribed Image Text:Ex7; An aqueous solution of sodium hydroxide contains 20.0% NaOH by mass. It is desired to produce an 8.0% NaOH solution by diluting a stream of the 20% solution with a stream of pure water. Calculate the ratios (liters H20/kg feed solution) and (kg product solution/kg feed solution). F =? kg = 0.2 XNaOH P =? kg XH,0 = 0.8 F2 =? kg F2 = 0.08 kg Na0H/kg xH,0 = 0.92 kg H20/kg %3D 1
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