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Oxyacids of Phosphorus

The formula w...

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The formula weight of an acid is 82.0 . in a titration , 100cm^3 of a solution of this acid containing 39.0 g of the acid per litre were completely newtralised by 95.0 cm^3 of aqueous NaOH containing 40 g NaOH per litre. what is the basicity of the acid ??

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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?

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. A 200 millilitre aqueous solution of an acid (molar mass = 98) containing 58.8 g acid per litre is neutralized by 180 ml of aqueous NaOH solution completely. The NaOH solution containing

\frac{80}{3}

g of NaOH per 500 ml of solution. Then find the basicity of the acid.

प्रति लीटर 58.8 g अम्ल (मोलर द्रव्यमान = 98) वाला 200 मिलीलीटर जलीय विलयन 180 ml जलीय NaOH विलयन द्वारा पूर्णतः उदासीन होता है। NaOH विलयन में प्रति 500 ml विलयन

\frac{80}{3}

g NaOH है। तब अम्ल की क्षारकता ज्ञात कीजिए।

Q. An aqueous solutions of diabasic acid (molecular mass

= 118

35.4

g of acid per litre of the solution has density

1.0077 g m L^{- 1}

. Find the mole fraction of the solvent.

25 m L

N / 10

caustic soda solution exactly neutralises

20 m L

of an acid solution containing

7.875 g

of acid per litre. Calculate the equivalent mass of the acid.

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