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-2-22/12/2010 . 2 :2

))))6666((((pH

. :pHS0AHc0=17,5mol.L

1.1,00mL.500mLV=S1c1

S1.c1.-12-AH.3-.4-pH-pHS1:pH=3,1.1

.5-

c1. AHS0.

:S2AHc2 = 5,0 103 mol.L1.

2 = 1,07 102 S.m1.HO.-

1-+ 3 2H OS2.

:= 4,1 103 S.m.mol1A

= 35 103

S.m.mol1

H O3+

2-2AHS2.

3-2

..1 ----IIII----))))8.58.58.58.5((((

:2102101889

...138

:81

Tl82

Pb83

Bi84

Po85

A t86

Rn

):4 ) 4,00152

m He u=9( ) 9,009984

m Be u=12( ) 11,996716

m C u=

1( ) 1,00860m n u=

210:210 / M g mol=:82,99792.10 /c m s=

23 16,022.10 N molA

=27

1 1,6605.10u kg

=

1-210.2-210.3-:"2101g166000"

:2102008210

.. .1-172000210.

1

0.5

0.75

0.5

0.5

1.5

0.25

1

0.5

0.25

1

0.5

1/3

HCOOHHCOOHHCOOHHCOOH 0,0720,0720,0720,072

CHCHCHCH3333COOHCOOHCOOHCOOH 0,0230,0230,0230,023

CHCHCHCH3333CHCHCHCH2222COOHCOOHCOOHCOOH 0,0180,0180,0180,018

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21500.2-%99

.210:

2101934.100

:

9 4 14 2 0AZ Be He X n+ + 1-A

ZX

2-E..:24

23242411

Na:

23 1 2411 0 11

Na n Na+

1-2411

Na.

2-2411

Na2412

MgAZ

Y..

t=15h.24-34-Vt=0V0=10mL

C0=1024-3mol/L.

4-1-24t1=7h.4-2-t1. 4-3-t1V2=10mLn2=1,5.10

-8mol.V24.

----IIIIIIII----))))5.55.55.55.5((((--RC:

..

)(.2(C=10pF.)RC1(.R).

2

t

=.

RC.

1-uc 2-.3-Q.U=500V.

0.75

0.25

0.5

0.25

0.5

0.5

0.5

0.5

2.5

0.25

0.5

0.25

2/3

+

U

R

-1

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4-NN)(.0,10t ms =.

4-1-R.

4-2-c

ut:c

Neu

C = e

.:RCRC--3-E=6V..t=0.

1-uc:du

c u Ecdt

+ =

2-.

3-:(1 )tu A ec

= A.

u-4

c

.

AB

0.25

2.5

0.5

0.25

0.5

0.5

3/3

-2