If 17.8 grams of #KOH# dissolve in enough water to make a 198-gram solution, what is the concentration in percent by mass?
The concentration of
The formula to use is
#color(blue)(|bar(ul(color(white)(a/a) "% by mass" = "mass of component"/"total mass of sample" × 100 %color(white)(a/a)|)))" "#
For your solution,