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Enthalpy of Neutralisation

7.125g of an ...

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7.125g of an acid (MW=114) is completely neutrilized by 5g of NaOH (MW=40). What is the basicity of acid?

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100 c m^{3}

of a solution of an acid (molar mass =

98

29.4 g

of the acid per litre were completely neutralized by

90.0 c m^{3}

a q . N a O H

20 g

N a O H

500 c m^{3}

. The basicity of the acid is:

Q. The formula weight of an acid is

82.0

100 {c m}^{3}

of a solution of this acid containing

39.0 g

of the acid per liter were completely neutralized by

95.0 {c m}^{3}

N a O H

40.0 g

N a O H

per litre. What is the basicity of the acid?

0.45 g

of acid (molecular weight

= 90

) was exactly neutralized by

20 m L

0.5 N N a O H

. Basicity of the acid is:

a .

Define the term neutralisation equivalent of an acid.

b .

Find the number of ionisable

H

atoms for a polycarboxyclic acid

(M w = 210 g m m o l^{- 1})

with a neutralisation equivalent of

70 g m e q^{- 1}

. How many equivalents of

N a O H

would be neutralized by

1 m o l

c .

Find the neutralisation equivalent of mellitic acid,

C_{6} (C O O H)_{6}

Q. 0.5 g of an acid is neutralized by 40 cc of 0.125 N

N a O H

. The equivalent mass of the acid is

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Enthalpy of Neutralisation

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