Question

Calculează masele moleculare: azotat de magneziu, sulfat de aluminiu, carbonat de fier 3, hidroxid de bariu.

Answer 1

M(Mg(NO3)2)=1*24+2*14+6*16=24+28+96=148
M(Al2(SO4)3)=2*27+3*32+12*16=54+96+192=342
M(Fe2(CO3)2)=2*56+3*12+6*16=112+36+96=244
M(Ba(OH)2)=1*137+2*16+2*1=137+32+2=171