What is the #"ppm"# concentration of salt in a solution composed of #3.5*g# of salt, and #96.5*g# water?
...most of the time we can ignore the density because the mass of the solute is miniscule...here we assume that the
And so we take the quotient....
Do you think this
Note that I have been asked by several posters whether this dissolution reaction of sodium chloride in water represents a physical or chemical reaction. My own very conservative notions of the definition of chemical reaction, INSISTS that such a process, while REVERSIBLE, is CHEMICAL. Chemical change is characterized by the formation of new substances and the making and breaking of chemical bonds. The dissolution reaction certainly qualifies...
Where the ion is the aquated complex, i.e.
Impact of this question
Creative Commons License