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2x + 96 = 150
2x = 54 |:2
x = 27
Al ma masę 27.
Al2S3
X3(PO4)2 = 3x + 2*31 + 8*16=
3x + 62 + 128 = 262
3x = 72 |:3
x = 24
Mg ma masę 24
Mg3(PO4)2
b) Mg - magnez
X₂S₃ =150u
2x + 3*32 = 150
2x + 96 = 150
2x = 54
x = 27
Taką masę posiada glin (Al)
Al₂S₃
b)
X₃(PO₄)₂ = 262u
3x + 2*31 + 8*16 =
3x + 62 + 128 = 262
3x = 72
x = 24
Taką masę posiada magnez (Mg)
Mg₃(PO₄)₂