Concentartion term -2

Introduction to solution |Types of solutions | Various concentartion terms | Illustrations on concentration terms

Assertion (A): pH of HCI solution is less than that of acetic acid of the some concentartion. Reason (R) : In equimolar solution, the number of titrable protons present in HCI is less than that present in acetic acid.

A certain buffer solution contains equal concentartion of X^(Theta) and HX . The K_(b) for X^(Theta) is 10^(-10) . The pH of the buffer is

Calculate the EMF of a Daniel cell when the concentartion of ZnSO_(4) and CuSO_(4) are 0.001M and 0.1M respectively. The standard potential of the cell is 1.1V .

What concentartion of Ac^(-) ions will reduce H_(3)O^(+) ion to 2 xx 10^(-4) M in 0.40 M solution of HAc ? [K_(a) (HAc) = 1.8 xx 10^(-5)] Given your answer after multiplying by 1000.

For a 'C' M concentarted solution of a weak electrolyte A_(x)B_(y)alpha (degree of dissociation) is

Assertion : Sulphide ores are concentarted by Froth Flotation method. Reason : Cresols stabilise the froth in Froth Flotation method

Calculate the sum: 2+(-2)+2+(-2)+2+(-2)+( i) if the number of terms is 140 (ii)if the number of terms is 125

Number of terms of an AP is even.The sum of odd terms is 24 an that of even terms is 30 . The last term exceeds the first term by 10(1)/(2) . Find the number of terms.

Third term of the sequence whose nth term is 2n+5 is ____.