Stehiometrija

Ana100's picture

Izracunaj masu NaCl koja se dobija reakcijom 300cm3 rastvora HCCCcl,c=0.1mol/dm3 i 600cm3 rastvora NaOH,c=0.1mol/dm3.

milicaradenkovic's picture

HCl+NaOH--------------------->NaCl+H2O

n(kiseline)=c*V=0.3*0.1=0.03 mol

n(baze)=c*V=0.6*0.1=0.06 mol

n(NaCl)=n(kiseline)=0.03 mol

m(NaCl)=n(NaCl)*Mr=0.03*58.5=1.755 g