2Al + 3S ===> Al2S3
mAl=108g glinu
MAl=27g/mol
MAl2S3 =150g/mol
2*27g glinu ==== 150g siarczku glinu
108g glinu ===== x
x=300g siarczku glinu
54u 150u
2Al+3S--->Al2S3
108g xg
54u---150u
108g---xg
x=300 g
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2Al + 3S ===> Al2S3
mAl=108g glinu
MAl=27g/mol
MAl2S3 =150g/mol
2*27g glinu ==== 150g siarczku glinu
108g glinu ===== x
x=300g siarczku glinu
54u 150u
2Al+3S--->Al2S3
108g xg
54u---150u
108g---xg
x=300 g