Question

Calculati masa moleculara pentru: 3 oxizi, 3 acizi, 2 baze, 2 saruri.

Answer 1

Răspuns:

Explicație:

MCO2=12 +2.16=44------>44g/moli

MSO2=32 +2.16=64----->64g/moli

MCaO=40+16=56----->56g/moli

MH2SO4=2+32+4.16=

MH3PO4=3+31+4.16=

MHNO3=1+14+3.16=

MKOH=39+16+1=56----->56g/moli

MZn(OH)2=65+2.16 +2=

MCaCO3=40 +12 +3.16=

MAl2S3=2.27 +3.32=

calculeaza singur!!!!