Răspunsuri

  • Utilizator Brainly
2014-02-13T21:27:23+02:00
HCl+NaOH=NaCl+H2O
1mol...1mol
0,5moli....x        x=0,5moli
mNaOH=0,5.40=20g
md =20g
ms=md.100/c=100g