A solution is made containing 4.92 g of sodium lithium chloride per 347 g of water. what is the #%"w/w"# or percent by mass of the solute?
1 Answer
May 25, 2018
Well, you can only have either sodium chloride or lithium chloride.
The percent by mass is:
#%"w/w" = "mass solute"/"mass solute + solvent" xx 100%#
And so,
#color(blue)("Percent by mass") = "4.92 g solute"/("4.92 g solute" + "347 g water solvent") xx 100%#
#= color(blue)(1.40% "w/w")#
