1. C = md/M*Vs(L) ⇒ md = 0,1*63*0,1 = 0,63g HNO₃
2. ro = ms/V ⇒ ms = ro*V = 1,125V
C = md/ms*100 => md = C*ms/100 = 18*1,125V/100 = 0,2025V
Presupunem V=1000mL = 1L
C = md/M*Vs = 202,5/98*1 = 2,066M
3. ro = ? g/cm³
C = md/M*Vs(L) => md = 17,91*98*V = 1755,18V
C = md/ms*100 => ms = md*100/C = 175518V/95,72 = 1833,66V
Presupunem V = 1000mL = 1L
ro = ms/V = 1833,66/1000 = 1,833g/cm³
sau
C = md/md*100 => md = C*ms/100
C = md/M*Vs(L) ⇔ C = C%*ms/100*M*V/1000 ⇔ C = C%×ρ/M*100 ⇔ C*M*100 = %C×ρ ⇒ ρ = C*M*100/%C*1000 = 17,91*98*100/95720 = 1,833g/cm³