Răspuns :
Răspuns:
MS=32g/mol
MAl2S3=2×27+3×32=150g/mol
3×32g 150g
2Al + 3S => Al2S3
20g xg
x=20×150/3×32=calculează.
Răspuns:
MS=32g/mol
MAl2S3=2×27+3×32=150g/mol
3×32g 150g
2Al + 3S => Al2S3
20g xg
x=20×150/3×32=31,35g
Răspuns:
MS=32g/mol
MAl2S3=2×27+3×32=150g/mol
3×32g 150g
2Al + 3S => Al2S3
20g xg
x=20×150/3×32=calculează.
Răspuns:
MS=32g/mol
MAl2S3=2×27+3×32=150g/mol
3×32g 150g
2Al + 3S => Al2S3
20g xg
x=20×150/3×32=31,35g