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2014-10-12T13:48:24+03:00
54 grame aluminiu=2 moli. Sulfura de aluminiu=al2s3 2Al+3s=al2s3=>avem nevoie de 3 moli s, deci 96 grame sulf. In grame, avem 54grame aluminiu...............96 grame sulf