Cm=n/Vs
n=md/M
Cm=md/MxVS
DENSITATEA ρ=ms/Vs rezulta ca Vs=ms/ ρ se intoduce in formula concentratiei molare
Cm=mdx ρ/Mx ms
c/100=md/ms rezulta ca Cm=cx ρ/100xM
Cm=84x1,75x1000/100x98
Cm=15M
nu are cum sa-ti dea 30 doar daca ai gresit datele problemei