dla 5 tlenków,zasad,soli policz masy cząsteczkowe w unitach

tlenki: Fe₂O₃--> 2*56u+3*16u= 160u NO--> 14u+16u= 30u Na₂O--> 2*23u+ 16u= 59u MgO--> 24u+ 16u= 40u ZnO-->65u+ 16u= 81u zasady: NaOH--> 23u+ 16u+1u= 40u Al(OH)₃--> 27u+ 3*16u+ 3*1u= 78u Mg(OH)₂--> 24u+2*16u+ 2*1u= 58u KOH--> 39u+ 16u+ 1u= 56u Ca(OH)₂--> 40u+ 2*16u+ 2*1u= 74u sole: Na₂CO₃--> 2*23u+ 12u+3*16u=  106u NaCl--> 23u+ 35,5u= 58,5u Al₂(SO₄)₃--> 2*27u+ 3*32u+ 12* 16u= 246u KNO₃--> 39u+ 14u+ 3*16u= 101u PbCl₂--> 207u+ 71u= 278u

Tlenki 1. SO₂ =32u + 2*16u =64u 2. CO₂ = 12u + 2*16u=44u 3. P₄O₁₈ = 4*31u +10*16uu=284u 4. MgO = 24u + 16u= 40u 5. K₂O = 2*39u +16u=94u Zasady 1. CsOH = 133u +16u + 1u = 150u 2. BaOH = 137u +16u + 1u = 154u 3. KOH =39u +16u + 1u = 56u 4. Mg(OH)₂ = 24u + 2*16u + 1u = 57u 5. Sr(OH)₂ =88u + 2*16u + 1u = 121u Sole 1. CuS = 63,5 + 32u = 95,5u 2. Mg₃(PO₄)₂ = 3*24u + 2*31 u + 8*16u = 262u 3. KCl = 39u + 35,5u = 74,5u 4. AgNO₃ =108u + 14u + 3*16u = 170u 5. BaSO₄ = 137u + 32u + 4*16u = 233u