by Maryam Hussain 1) How do I make 1 N sodium hydroxide? Answer: Prepare 1 M (1 molar) solution of sodium hydroxide by dissolving 40 grams of sodium hydroxide in water such that 1 liter of solution is obtained. 2) How many molecules of CO 2 are there in 0.05 mol of CO 2 ? Answer: 3.011 X 10 22 molecules 3) Is there proof that A^2 = (A+B) ^2? Answer: put B = 0, then A^2 = (A+B) ^2 4) Is 0.50 grams the mole of NH 4 OH? Answer: 35 grams represents one mole of NH 4 OH 5) If I dissolve 1kg of sugar in water and I then evaporate the solution will I get 1 kg of sugar? Answer: Since solubility is due to weak forces & heating, evaporation, for example, breaks these weak force bonds but during evaporation, some of the dissolved solute, sugar, is carried over by rising water vapors. If you recover these evaporated vapors, you can recover sugar. 6) Is mole fraction volume dependent? Answer: Yes, it is true for ideal gas because both mole & volume fract...
Process Constraints and Optimization, Mass and Energy balances of process, Converters development, Assignments writing.