w(Ag) = 3M(Ag)/M(Ag3PO4) = 3*108/(3*108+31+16*4)= 0.7733 или 77.33%.
<span>2 HgO = 2 Hg + O<span>2
</span></span>2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
<span>MgCO3 = MgO + CO<span>2
</span></span><span>2 KClO3 = 2 KCl + 3 O<span>2</span></span>
NaOH+ZnSO4=Zn(OH)2 ↓ + Na2SO4
CH2=CH-C=CH2 - бутадиен-1,3
CH2=C=CH2 - пропадиен
CH2=C=CH-CH2-CH3 - пентадиен-1,2
CH2=CH-C(CH3)=CH2 - 3-метилбутадиен-1,3