Page 16 - 2- WEKI Center - الايزو جزء الشرح

36.5 g/mol = 35.5 + 1 = HCl

0.02 mol = 0.73 g = HCl
36.5
= (g/mol)

0.4 mol / L = 0.02 = = HCl
NaOH + HCl 0.05

5
NaCl + H2O

Ma Va = Mb Vb

na

0.4 X 150 = 0.5 X Vb 120 ml = Vb
11

(0.4 M) 1 L (0.3 M) 1 L (٦)

.

Ba(OH)2 = 171 g/mol , BaSO4 = 233 g/mol , H2SO4 = 98 g/mol

0.4 mol = 1 X 0.4 = X ‫ﺍﻟﺤــﻞ‬

0.3 mol = 1 X 0.3 = X 

CaCl2 + H2SO4  2HCl + CaSO4 
1:1

0.3 mol =

0.1 mol = 0.3 – 0.4 =

Ba(OH)2 + H2SO4  BaSO4 + 2H2O

1 mol 1 mol

1 mol  233 g

0.1 mol  X g

23.3 g = ( )X

١١٦

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