Question

Va rog, pentru astăzi!! ​

Answer 1

Răspuns:

O2=16*2=32

CuO=64+16=80

Ca(NO3)2=40+14*2+16*5=40+28+80=148

HCl=1+35=36

AgNO3=108+14+16*3=122+48=170

CuSO4=64+32+16*4=96+64=160

NaOH=23+16+1=40

Al2O3=27*2+16*3=54+48=102

Fe(OH)3=56+16*3+1*3=56+48+3=107

Mg3(PO4)2=24*3+31*2+16*6=72+62+96=230

HNO3=1+14+16*3=15+48=63

Al2(SO4)3=27*2+32*3+16*7=54+96+112=262

*=inmultit/ori