Ответ:
Mr(NaOH)=23+16+1=40
Mr(KNO³)=39+14+16×3=101
Mr(SO³)=32+48=80
Mr(Cu(OH)²)=64+(16+1)×2=98
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Ответ:
Mr(NaOH)=23+16+1=40
Mr(KNO³)=39+14+16×3=101
Mr(SO³)=32+48=80
Mr(Cu(OH)²)=64+(16+1)×2=98