Chemistry..solutions help?

Posted on 2015-11-17 06:20:00 in Chemistry by ZERRY

1. Explain, in terms of particles, the optimal way (fastest rate) to form a solution of salt water. Be sure to discuss temperature, particle size, stirring, and amount of solute.
2. Describe the possible effects of cooling a saturated solution of KNO3, potassium nitrate, from 65 ?C to 50 ?C.
3. Compare and contrast the solubility of HCl and NH4Cl at 0 ?C and 70 ?C.
4. Equal amounts of lithium fluoride (LiF) and methane (CH4) are added to separate containers with equal amounts of water.
Determine which has the lower
a) freezing point
b) boiling point
c) vapor pressure and explain why.

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