How many grams of CuF_2 are needed to make a 600 mL solution with a molarity of 0.250 M?

1 Answer
Aug 18, 2016

Approx. 15*g

Explanation:

"Concentration" = "number of moles"/"volume of solution"

Thus 0.250*mol*L^-1 = n_"copper fluoride"/(0.600*L)

And n_"copper fluoride"=0.250*mol*cancel(L^-1)xx0.600*cancelL

= 0.150*mol" copper fluoride"

"Mass of cupric fluoride" = 0.150*molxx101.54*g*mol^-1 = ??g