HCOH+2Ag2O=CO2+H2O+4Ag
Mr(4Ag)=108*4=432
HCOH - x, отсюда х=30*25/432=1,736(г)
W(HCOH)=1.736/130*100=1.335%
Ответ: W(HCOH)=1.335%, mреч(HCOH)=1,736(г)
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HCOH+2Ag2O=CO2+H2O+4Ag
Mr(4Ag)=108*4=432
HCOH - x, отсюда х=30*25/432=1,736(г)
W(HCOH)=1.736/130*100=1.335%
Ответ: W(HCOH)=1.335%, mреч(HCOH)=1,736(г)