Помогите решить Доно: H³PO⁴ w(H) w(P) w(O) Доно: ZnCl² w(Zn) w(CI)

Question

Помогите решить Доно: H³PO⁴ w(H) w(P) w(O) Доно: ZnCl² w(Zn) w(CI)

Answer 1

Mr(H3PO4)=98

W(H)=(3*1/98)*100=3.06%

W(P)=(31/98)*100=31.63%

W(O)=(64/98)*100=65.3%

Mr(ZnCl2)=136

W(Zn)=(65/136)*100=47.8%

W(Cl2)=(31/98)*100=53.2%