Calculate `lambda_(m)^(@)` for `Ba(OH)_2`, NH_4OH, `BaCL_2` and `NH_4Cl` are 238.0, 280.0 and `129.8 Scm^2//mol` respectively.

The molar conductances of NaCl, HCl and CH_3COONa at infinite dilution are 126.45, 426.16 and 91.0 Scm^2 mol^-1 , respectively at 25^@C , Calculate the moalr conductance of acetic acid at infinite dilution.

The limiting molar conductances of sodium chloride, hydrochloric acid and sodium acetate are 126.45, 426.16 and 91.0 Scm^2mol^-1 respectively at 298K. Calculate the limiting molar conductance of acetic acid at 298K.

Calculate the molecular masses of H_2,O_2, Cl_2,CO_2, CH_4, C_2H_6,C_2H_4,NH_3,CH_3OH

How are 0.50 mol Na_2Co_3 and 0.50 M Na_2Co_3 different?

The date below are for the reaction of NO and Cl_2 to form NOCl at 295K. Determine the reaction rate when the concentrations of Cl_2 and NO are 0.2M and 0.4M respectively?

Represent the cell with cell reaction- Zn(s)+2Ag^+(aq) rarr Zn^(2+) (aq)+2Ag(s) Calculate the emf of the cell at 298K if the molar concentraction of Ag^+ and Zn^(2+) ions in the half cwells are 0.10 mol dm^(-3) and 0.01 mol dm^(-3) respectively. Given that E^@ Ag^+//Ag= 0.80V and E^@Zn^(2+)//Zn=-0.76V,

Calculate the mass of urea (NH_2CONH_2) required in making 2.5 kg of 0.25 molal aqueous solution.