oblicz mase czasteczkowa stearynianu sodu i palmitynianu wapnia mC=12u, mH=1u ,mO=16u ,mNa=23u , mCa=40u

Stearynian sodu mC17H35COONa=18*12u+35*1u+2*16u+1*23u=216+35+32+23 = 306u Palmitynian wapnia m(C15H31COO)2Ca=2(16*12u+31*1u+2*16u)+40u=2(192+31+32)+40 = 550u

Stearynian sodu C₁₇H₃₅COONa   Palmitynian wapnia (C₁₅H₃₁COO)₂Ca   [latex]M_{C_{17}H_{35}COONa}= 18cdot12u+35cdot1u+2cdot16u+23u \ M_{C_{17}H_{35}COONa}= 306u [/latex]     [latex]M_{(C_{15}H_{31}COO)_{2}Ca}= 32cdot12u+62cdot1u+4cdot16u+40u \ M_{(C_{15}H_{31}COO)_{2}Ca}= 550u[/latex]