Ответ:
ZnSO4=65+32+16*4=161
Al2S3=27*2+32*3=150
Mn(NO3)2=55+14*2+16*6=179
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Ответ:
ZnSO4=65+32+16*4=161
Al2S3=27*2+32*3=150
Mn(NO3)2=55+14*2+16*6=179