Chemical Engineering - Stoichiometry
Exercise : Stoichiometry - Section 5
21.
Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is
22.
Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?
23.
What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C ?
2/3
1/3
1/2
l/3 x 
24.
On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is __________ gm.
25.
The pressure under which liquid and vapor can co-exit at equilibrium is called the __________ vapor pressure.
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