Determine the equivalent weight of the following ions :
`(a) Na^(+) " " (b) Al^(3+) " " (c) NO^(+) " " Cl^(-)`
`(e) CO_(3)^(2-) " " SO_(4)^(2-) " " (g) PO_(4)^(3-)`

Determine the equivalent weights of the following salts: (a) NaCl" " (b) K_(2)SO_(4) " " Ca_(3)(PO_(4))_(2)

Which of the following are isostructural? (1) BF_(3) , (2) SO_(4)^(2-) , (3) NO_(3)^(-) (4) NH_(4)^(+) (5) CO_(3)^(2-) (6) PO_(4)^(3-) .

Write the electronic configuration of the following ions. A) Na^+ b) O^2- c) Cl^- d) S^-2 e) Al^3+

(i) State the formula and name the conjugate base of each of the following species : (a) H_(3)O^(+) (b) HSO_(4)^(-) (C ) NH_(4)^(+) (d) HF (e ) CH_(3)COOH (f) CH_(3)NH_(3)^(+) (g) H_(3)PO_(4)(h)H_(2)PO_(4)^(-). (ii) State the formula and name the conjugate acid of each of the following species : (a) OH^(-) (b) HPO_(4)^(2-) (C) H_(2)PO_(4)^(-) (d) CH_(3)NH_(2) (e) CO_(3)^(2-) (f) NH_(3)(g) CH_(3)COO^(-) (h) HS^(-)

What is the equivalent weight of P in the following reaction? P_(4)+NaOH rarr NaH_(2)PO_(2)+PH_(3)

Which one in each of the following pairs is larger in size ? (a) Na,Al " " (b ) Na,Mg^(+2)" "(C ) S^(2- ) , Cl^(-) " " (d ) Fe^(2+), Fe ^(3+)" " (e ) C^(4- ) , F^(-)

Determine the equivalent weight of H_3PO_4 for the following reaction : Ca(OH)_2 +H_3PO_4rarr CaHPO_4 + 2H_2O . [Ca = 40, P =31]