reacaba.py

Created by condouarthur

Created on June 02, 2022

926 Bytes


# Type your text here
acide:cède ion hydr H^+
base:capte ion hydr H^+

Ampholyte=acide ET base(ex:HSO4^-)
eau:solvant protogène et protophile=amphiprotiq

cst d'ac:Ka=([B]éq.[H3O^+]éq)/([A]éq.C°)
pKa=-log(Ka) Ka=10^-pKa
+Ka petit +acide faible
Cst bas:Kb=([A]éq.[HO^-]éq)/([B]éq.C°)

pH=-log[H3O^+]
pH=pKa+log[B]/[A]

Solub mol volumiq d'& solid=nb mol de ce solid que l'on peut dissoudre ds 1L de solu°

Ks=10^-pKs
n=m/M
s=n/V
K=Céq*Déq/A*B
Effet d'ion commmun:diminu°de la solub d'1sel qd on introduit ds la solu°1autre sel possèdant 1ion en comm1

NaCL->Na^++Cl^- (chlorure de sodium)
AgCl->Ag^++Cl^- (chlorur d'argen)
PbCl2->Pb2^++2Cl^- (chlor de plomb)
acide chlorhydrique HCl->H3O^++Cl^-
acide sulfurique H2SO4
acide nitrique HNO3->H3O^++NO3^-
CaSO4->Ca^2++SO4^2-
PbSO4->Pb^2++SO4^2-

  NaCl->Na^++Cl^-
EI c    0    0
EF 0    c    c

  PbCl2->Pb2^++2Cl^-
EI /      0     c
éq /      s'   s'+2c

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