an acid with molecular formula `C_(7)H_(6)O_(3)` forms three types of sodium salt i.e., `C_(7)H_(5)O_(3)Na, C_(7)H_(4)O_(3)Na_(2)` and `C_(7)H_(3)O_(3)Na_(3)`. The basicity of the acid:

An acid with molecular formula C_7H_6O_3 froms only three types of sodium salts , i.e. C_7H_5O_3 Na, C_7H_4O_3 Na_2 and C_7H_3O_3Na_3 .The basicity of the acid :

Compound having molecular formula C_(3)H_(6)O_(2) is:-

Na_(2)b_(4)O_(7)10H_(2)O is

Compound 'X' with the molecular formula C_(3)H_(8)O on vigronous oxidationy yields an acid C_(3)H_(6)O_(2) .

(+) and (-) - Lactic acid have the same molecular formula, C_(3)H_(6)O_(3) . They are related as-

Aspirin, C_(9)H_(8)O_(4) , is prepared by the acetylation of salicylic acid, C_(7)H_(6)O_(3) , according to the following equation : C_(7)H_(6)O_(3) + (CH_(3)CO)_(2)O rightarrow C_(9)H_(8)O_(4) + CH_(3)COOH If the yeild of this reaction is 83%, What mass of salicylic acid would be required to prepare 1.0kg of aspirin?

Na_(2)CO_(3), " " Fe_(2)(SO_(4))_(3), " " FeSO_(4).7H_(2)O

Na_(2)B_(4)O_(7) + X to H_(3) BO_(3) . What is X in the reaction