Question

Определить массу 2,5 г/моль H2O2, H3PO3,Zn3(PO4)2

Answer 1

m(H2O2)= n(H2O2)*M(H2O2)= 2.5*34=85
m(H3PO3)= n(H3PO3)*M(H3PO3)= 2.5*82=205
m(Zn3(PO4)2)= n(Zn3(PO4)2)*M(Zn3(PO4)2)= 2.5*386.1=965.25