Odpowiedź:
mNH3= 14u+ 3×1u= 14u+3u= 17u
mAl2S3= 2+27u + 3×32u= 54u+ 96u= 150u
mNa2O= 2×23u+ 16u= 46u+16u= 62u
Wyjaśnienie:
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Odpowiedź:
mNH3= 14u+ 3×1u= 14u+3u= 17u
mAl2S3= 2+27u + 3×32u= 54u+ 96u= 150u
mNa2O= 2×23u+ 16u= 46u+16u= 62u
Wyjaśnienie: