a) CuO= 64u+16u=80u [latex] frac{16u}{80u} [/latex]*100%=20% b) MgS= 24u+32u=56u [latex] frac{32u}{56u} [/latex]*100%=57,14% c) [latex] Ag_{2} [/latex]O= 216u+16u= 232u [latex] frac{16u}{232u} [/latex]*100%=6,90% d)Ca[latex] C_{2} [/latex]=40u+24u=64u [latex] frac{24u}{64u} [/latex]*100%= 37,5% e) NaClO= 30u+35u+16u=81u [latex] frac{51u}{81u} [/latex]*100%= 62.96% f) Mg[latex] SO_{4} [/latex]= 24u+32u+64u=120u [latex] frac{96u}{120u} [/latex]*100%=80% g) Ba[latex] (OH)_{2} [/latex]= 137u+32u+2u=171u [latex] frac{32u}{171u} [/latex]*100%= 18,71% h) KMn[latex] O_{4} [/latex]= 39u+55u+64u= 158u [latex] frac{64u}{158u} [/latex]*100%= 40,51% i)N[latex] H_{4} [/latex]Cl= 14u+4u+35u=53u [latex] frac{49u}{53u} [/latex]*100%= 92,45% j) LiOH= 7u+16u+1u=24u [latex] frac{16u}{24u} [/latex]*100%= 66,67% Liczę na naj. ;) Powinno być wszystko dobrze, bo z chemii mam same 5 ;p
