The solubility of `Sr(OH)_2` at 298 K is `19.23g//L` of solution. Calculate the concentration of strontium and hydroxyl ions and the pH of the solution.

One half-cell in a voltaic cell is constructed from a silver wire dipped in silver nitrate solution of unknonw concentration. It other half cell consists of a zinc electrode dipping in 1.0M solution of Zn(NO_3)_2 . A voltage of 1.48V is measure for this cell. Use this information to calculate the concentration of silver nitrate solution used (E_(Zn^(2+)//Zn)^0=-0.76V,E_(Ag^+//Ag)^0=+0.80V)

The conductivity of 0.20M solution of KCl at 298K is 0.0248 S//cm .Calculate its molar conductivity.

The conductivity of 0.20M solution of KCl at 298K is 0.0248 Scm-1 . Calculate its molar conductivity.

The conductivity of 0.20M solution of KCL at 298K is 0.0248Scm^-1 , Calculate its molar conductivity.

An antifreeze solution is prepared from 222.6 g of ethylene glycol (C_2H_6O_2) and 200 g of water. Calculate the molality of the solution. If the density of the solution is 1.072 g mL^-1 , then what shall be the molarity of the solution?

What do you mean by pH of solution? Calculate the pH of solution containing 0.98g H_2SO_4 in 100mL of water.

You have two solutions, A and B. The ph of solution A is 6 and the ph solution B is 8. Which solution has more hydrogen ion concentration? Which of this is acidic and which one is basic?

Calculate the molarity of each of the following solutions: 30g of Co(NO_3)_2 . 6H_2O in 4.3 L of solution.

Vapour pressure of pure water at 298K is 23.8 mm Hg. 50g of urea (NH_2CONH_2) is dissolved in 850 g of water. Calculate the vapour pressure of water for this solution and its relative lowering.

Benzene and toluene form ideal solution over the entire range of composition. The vapour pressure of pure benzene and toulene at 300 K are 50.71 mm Hg and 32.06 mm Hg respectively. Calculate the mole fraction of benzene in vapour phase if 80 g of benzene is mixed with 100 g of toluene.