The number of millimoles present per litre of solution of `CH_3COONa` so that 150 ppm (150 moles of its gets hydrolysed out of one million moles added) of if `K_a=1.8xx10^(-5)` is :

What is the solubility of Mg(OH)_2 in mole per litre if K_p = 1.0 xx 10^-11 ?

What amount of CH_(3)COONa is to be added to one litre of 0.1(M) CH_(3)COOH solution so that the pH becomes 4.0? [K_(a)=1.8xx10^(-3)] .

4g of NaOH was dissolved in one litre of a solution containing one mole of acetic acid and one mole of sodium acetete. Find the pH of the resulting solution ( K_(a) of acetic acid is 1.8xx10^(-3) )

4g of NaOH was dissolved in one litre of a solution containing one mole of acetic acid and one mole of sodium acetete. Find the pH of the resulting solution ( K_(a) of acetic acid is 1.8xx10^(-3) )

A saturated solution of calcium fluoride contains 2xx10^(-4) mole of the salt per litre of the solution its K_sp is :

Calculate the change in pH if 0.02 mol CH_(3)COONa is added to 1.0L of this solution. ltbRgt K_(a) of CH_(3)COOH = 1.8 xx 10^(-5) .

What amount of CH_3COONa is to be added to one litre of 0.1 (M) CH_3COOH soluton so that the pH becomes 4.0? [ K_a = 1.8 xx 10^-3 ]