What is the equivalent mass of :
(a) `H_(3)PO_(4)` when neutralised to `HPO_(4)^(2-)`
(b) `HClO_(4)`
(c ) `NaIO_(3)` when reduced to `I^(-)`
(d) `NaIO_(3)` when reduced to `I_(2)`
(e ) `Al(OH)_(3)`.

Find the equivalent mass of H_3PO_4 in the following reaction : Ca(OH)_(2) + H_(3)PO_(4) to CaHPO_(4) + 2H_(2)O

The conjugate base of H_(2)PO_(4)^(-) is : a) H_(3)PO_(4) b) H_(2)PO_(4)^(-) c) HPO_(4)^(2-) d) PO_(4)^(3-)

What is the n-factor for H_(3)PO_(4) in the reaction 2NaOH+H_(3)PO_(4)rarr Na_(2)HPO_(4)+2H_(2)O ?

Find the equivalent weight of H_(3) PO_(4) in each of the following reactions: H_(3) PO_(4) + OH^(-) to H_(2) PO_(4)^(-) + H_(2) O H_(3) PO_(4) + 2OH^(-) to HPO_(4)^(2-) + 2H_(2) O H_(3) PO_(4) + 3OH^(-) to PO_(4)^(3-) + 3H_(2) O