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Calculati masa moleculara: Mca (OH), Mal₂(SO₄)₃, MalCl₃ URGENT!

Răspuns :

Masa Ca(OH) = 40+16+1 = 66
Masa Al2(SO4)3 = 2*27+3*32+3*4*16 = 54+96+192 = 342
Masa AlCl3 = 27+3*35 = 132