Mr(H3PO4)=1*3+31+16*4=98
Mr(K2SO4)=39*2+32+16*4=174
M(H3PO4)=98 г/моль
M(K2SO4)=174 г/моль
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Mr(H3PO4)=1*3+31+16*4=98
Mr(K2SO4)=39*2+32+16*4=174
Mr(H3PO4)=1*3+31+16*4=98
M(H3PO4)=98 г/моль
Mr(K2SO4)=39*2+32+16*4=174
M(K2SO4)=174 г/моль