`H_2CO_3(aq)+H_2O(l)toHCO_3^-(aq) + H_3O^+(aq)`
`HCO_3^(-)(aq) + H_2O(l)to CO_3^(2-)(aq)+H_3O^(+)(aq)`
Accoding to the equations above, what is the conjugate base of `HCO_3^-`?

O_(3)(g)+I^(-)(aq)+H_(2)O(l) to

The dihydrogen phosphate ion undergoes these reaction in water H_2PO_4^(-)(aq)+H_2O(l)toHPO_4^(2-)(aq)+H_3O^(+)(aq) K=6.2xx10^(-8) H_2PO_4^(-)(aq)+H_2O(l)toH_3PO_4(aq)+OH^(-)(aq) K=1.6xx10^(-7) What is the conjugate base of H_2PO_4^(-) ?

Observe the following reaction, 2NO_(2)(g) + 2OH^(-)(aq) to NO_(3)^(-)(aq) + H_(2)O (l) + NO_(2)^(-) (aq) in this reaction,

In aqueous solution, a weak tribasic acid H_3A ionises in the following three steps: (a) H_3A(aq)+H_2O(l)iffH_3O^(+)(aq)+H_2A^(-)(aq) (b) H_2A^(-)(aq)+H_2O(l)iffH_3O^(+)(aq)+HA^(2-)(aq) (c ) HA^(2-)(aq)+H_2O(l)iffH_3O^(+)(aq)+A^(3-)(aq) If the ionisation constants of these three steps are K_1, K_2 and K_3 respectively, then determine the overall ionisation constant of H_3A .

For ortho phosphoric acid, H_3PO_4(aq)+H_2O(aq) to H_3O^(+)(aq)+H_2PO_4^(-)(aq),K_(a_1) H_2PO_4^-(aq)+H_2O(aq) to H_3O^(+)(aq)+H_2PO_4^(-)(aq),K_(a_2) HPO_4^(2-)(aq)+H_2O(aq) to H_3O^(+)(aq)+PO_3^(4)(aq),K_(a_3) The correct order of K_a values is :

Complete the chemical equations : MnO_4^(-) (aq) + S_2O_3^(2-)(aq) + H_2O (l) to

CH_(3)COO C_(2)H_(5)(aq) + H_(2)O(l) overset(H^(+)(aq)) to CH_(3)COOH(aq) + C_(2)H_(5)OH(aq) . What type of reaction is this?

CH_(3)COOC_(2)H_(5)(aq)+H_(2)O(l)overset(H^(+)(aq))toCH_(3)COOH(aq)+C_(2)H_(5)OH(aq) . What type of reaction is this?