C6H5OH+3HNO3=C6H2(NO2)3(OH)+3H2O
u(C6H5OH)=9,2/94=0,0978
u(C6H5OH)=u(C6H2(NO2)3(OH))=0,0978
m(C6H2(NO2)3(OH))=u(C6H2(NO2)3(OH))*Mr(C6H2(NO2)3(OH))Mr(C6H2(NO2)3(OH))=12*6+1*2+(14+16*2)*3+(16+1)=74+138+17=229 г/мольm(C6H2(NO2)3(OH))=0,0978*229=22,3962 грамма.