4.5г х2Al +3 S = Al2 S3
54г 150г
х=(4.5 х150 )/ 54 =12.5гр Al2 S3
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4.5г х
2Al +3 S = Al2 S3
54г 150г
х=(4.5 х150 )/ 54 =12.5гр Al2 S3