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     EduGorilla 
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    A 35wt% Na2SO4 solution in water, initially at 500C is fed to a crystallizer at 200C. The product stream contains hydrated crystals Na2SO4.10H2O in equilibrium with a 20 wt% Na2SO4 solution. The molecular weights of Na2SO4 and Na2SO4. 10H2O are 142 and 322 respectively. The feed rate of the 35% solution required to produce 500 kg/h of hydrated crystals is

    Options :-

    1. 403 kg/h
    2. 603 kg/h
    3. 803 kg/h
    4. 1103 kg/h
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