m16800-1.6
TRANSCRIPT
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, E=
=MOx
, E=
= Ax
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, E=
H2SO4 H2C2O4
H3PO4 H3PO3 H3PO2
H3PO4 H3PO3
H3PO2
, E=
Ca(OH)2
Ca(OH)2
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, E=
NaHCO3 NaHCO3
=
+
= +
, E=
CO23 Al3+
, E=
, E=
K2Cr2O7+ 14H+ + 6e 2K+ + 2Cr3+ + 7H2O
K2Cr2O7 =294.2
6 = 49
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= g
E
= g
E
=
g
E =
xg
MO
n= g
MO
=xn
= X
2H2+ O2 2H2O
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= =
= +
= 103 +(14 + 3X16)
1 = 103 + 62 = 165
= 103 +16
2 = 103 + 8 = 111
= 31 + 62 = 93
= 31 + 8 = 39
=111x
165 = 0.67x
= 39 (100 x)
93 = 0.42X100 0.42x= 42 0.42x
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0.67x + .42X100 0.42x= 50
0.25x= 50 42 = 8
x= 32 gm
=x = 32 gm
= 100 x= 68 gm
=
VL
=
VCCX1000 =
VCC=
VCC
=NVL
=NVCC
= 0.2X1000 = 200
= 0.2X10 = 2
=NVCC
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VCC=
N =
2.5
0.2= 12.5 cc
geq= NV = 0.1X1 = 0.1
geq= g
E =
xg
MO
g=
XMOx =
0.1X40
1 = 4 gm
=4X100
88 = 4.55 gm
Na2B4O7, 10H2O
2Na+ + B4O72 + 7H2O 4H3BO3+ 2Na
+ + 2OH
=
=NV = 0.1X50 = 5
meq=1000g
E =
1000xg
MO
g =meqXE
1000x =1000xg
MO
g= 5X380
1000X2= 0.95 gm
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=
VL
=
VL=xMOVL
M=MOVL
MO
MNH3
N=xM
= X
H2SO4 H2SO4
1 = N1V1 = 1X100 = 100
2 = N2V2 = 0.5X50 = 25
= 1+ 2 = 100 + 25 = 125
=V1+ V2 = 100 + 50 = 150 ml
N=125
150=
5
6= 0.83
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H2SO4
H2SO4
M=10yd
MO= 10X10X
1.18
98
= 118/98 = 1.2M
N=xM= 2X1.2 = 2.4N
1 = N1V1 = 0.5X500 = 250
2 = N2V2 = 2.4X20 = 48
= 1+ 2 = 250 + 48 = 298
=V1+ V2 = 500 + 20 = 520 ml
N=298
520= 0.57