Sodium hypochlorite is formed according to the reaction 2NAOH + Cl, –→ NaOCI + NaCI + H,O in a continuous reactor by bubbling Cl, through a concentrated 40% (mass) NaOH solution. Suppose the solution of NaOH in H,O is fed at 1000 kg/h and the Cl, gas, at 10 kgmol/h. (a) Calculate the degree of freedom assuming the conversion is specified. (b) Determine which is the limiting reactant. (c) Calculate the outlet composition of the reactor assuming 100% con- version of the limiting reactant. (d) Calculate the outlet composition of the reactor assuming 60% conver- sion of the limiting reactant.

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Principal Quantities and EOS

A physical quantity represents the physical state of a system. It is expressed as the product of a number and unit. The basic quantities used in science are length, mass, and time. The principal quantities are the quantities that are independent of other quantities.