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CALCULATIONS
Standardization of sodium hydroxide solution.
Titration 1 Titration 2 Titration 3
ass of a !ea"er #$% 11&.'2' 111.(&( 11).*(*
ass of a !ea"er + ,- #$% 11/.&*2 113.1(/ 11(.'((
ass of ,- 1.*'2 1.*'2 1.*'1
0olume of NaO- to
neutralise the ,- solution
#mL%
12.1' 12.3' 12.('
olarity of sodium hydroxide solution in eah titration.
Titration 1
Mole of KHP used in titration.
No. of mole of ,-C/-)O)
1.*'2$ ,-C/-)O) x 1mol ,-C/-)O)
2').2$ ,-C/-)O)
'.''&3**( mol ,-C/-)O)
Moles of NaOH required to neutralize the moles of KHP.
No. of mole of NaO-
'.''&3**( mol ,-C/-)O) x 1mol NaO-
1 mol ,-C/-)O)
'.''&3**( mol NaO-
Molarity of NaOH solution.
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olarity mol NaO-
Litre of solution
'.''&3**( mol NaO-
'.'121' L NaO-
'.('& NaO-
Titration 2
Mole of KHP used in titration.
No. of mole of ,-C/-)O)
1.*'2$ ,-C/-)O)x 1mol ,-C/-)O)
2').2$ ,-C/-)O)
'.''&3**( mol ,-C/-)O)
Moles of NaOH required to neutralize the moles of KHP.
No. of mole of NaO-
'.''&3**( mol ,-C/-)O) x 1mol NaO-
1 mol ,-C/-)O)
'.''&3**( mol NaO-
olarity mol NaO-
Litre of solution
'.''&3**( mol NaO-
'.'123' L NaO-
'.*/' NaO-
Titration 3
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Mole of KHP used in titration.
No. of mole of ,-C/-)O)
1.*'1$ ,-C/-)O)x 1mol ,-C/-)O)
2').2$ ,-C/-)O)
'.''&3*'( mol ,-C/-)O)
Moles of NaOH required to neutralize the moles of KHP.
No. of mole of NaO-
'.''&3*'( mol ,-C/-)O) x 1mol NaO-
1 mol ,-C/-)O)
'.''&3*'( mol NaO-
olarity mol NaO-
Litre of solution
'.''&3** mol NaO-
'.'12(' L NaO-
'.*/3) NaO-
Averae molarity
'.('&+'.*/'+'.*/3)
3
'.*() NaO-
!al"ulation for determinin the a"eti" a"id "on"entration in vinear.
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Titration 1 Titration 2
0olume of NaO- re4uired to
neutralize 5ine$ar #mL%
(.3' (.1'
Titration 1
Moles of NaOH that rea"ted.
(.3' mL of NaO- x 1L
1'''mL
'.''(3 L NaO-
'.''(3 L NaO- x '.*() mol NaO- solution
1L
'.''3&( mol NaO-
The mole of !H2!OOH neutralized #y moles of NaOH.
'.''3&( mol NaO- x 1 mol C-3COO-
1 mol NaO-
'.''3&( mol C-3COO-
Molarity of the !H3!OOH solution.
1' mL C-3COO- x 1L
1'''mL
'.'1 L C-3COO- solution
olarity#%
'.''3&( mol C-3COO-
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'.'1L solution
'.3&( C-3COO-
The mass of a"eti" a"id solution.
'.'1mL C-3COO- x '.3&( C-3COO- x ('.'( $ C-3COO-
1L solution 1 mol
'.22*( $ C-3COO-
1' mL C-3COO- solution 1'.'$ C-3COO- solution
Per"entae of a"eti" a"id in the solution
erenta$e !y mass of C-3COO-
'.22*( $ C-3COO- x 1''6
1'.' C-3COO-
2.2*(6 C-3COO-
Titration 2
Moles of NaOH that rea"ted.
(.1' mL of NaO- x 1L
1'''mL
'.''(1 L NaO-
'.''(1 L NaO- x '.*() mol NaO- solution
1L
'.''3(3/ mol NaO-
The mole of !H2!OOH neutralized #y moles of NaOH.
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'.''3(3/ mol NaO- x 1 mol C-3COO-
1 mol NaO-
'.''3(3/ mol C-3COO-
Molarity of the !H3!OOH solution.
1' mL C-3COO- x 1L
1'''mL
'.'1 L C-3COO- solution
olarity#% '.''3(3/ mol C-3COO-
'.'1L solution
'.3(3/ C-3COO-
The mass of a"eti" a"id solution.
'.'1mL C-3COO- x '.3(3/ C-3COO- x ('.'( $ C-3COO-
1L solution 1 mol
'.21/* $ C-3COO-
1
' mL C-3COO- solution 1'.'$ C-3COO- solution
Per"entae of a"eti" a"id in the solution
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erenta$e !y mass of C-3COO-
'.21/* $ C-3COO- x 1''6 2.1/*6 C-3COO-
1'.' C-3COO-
Averae molarity of a"eti" a"id $ !H3!OOH % &.3'( ) &.3(* % &.3'& M
2
Averae +er"entae #y mass of a"eti" a"id in vinear $ !H3!OOH % 2.2,()2.1-,
2
% 2.221