If the density of methanol is 0.793 kg `L^-1`, what is its volume needed for making 2.5L of its 0.25 M solution?

If the relative density of a material is 2.5, find its density.

The ionization constant of base is 5.4 xx 10^(-4) . Calculate its degree of ionization in its 0.02 M solution.

What volume of 0.8M solution contains 0.1 mol of the solute ?

The solutions A and B are 0.1 M and 0.2 M in concentration. If 100 mL of A is mixed with 25 mL of B and there is no change is volume , the final molarity of the solution is ____________.

A steel wire of diameter d=1.0mm is stretched horizontally between two clamps located at the distance l=2.0m from each other. A weight of mass m=0.25kg is suspended from the mid-point O of the wire. What will the resulting descent of the point O be in centrimetres?

A solid cylinder rolls down on inclined plane. Its mass is 2kg and radius 0.1m. If the height of the inclined plane is 4m, what is its rotational K.E. when it reaches foot of the plane? Take M.I. of solid cylinder about its axis = frac( Mr^2)(2) .

A monobasic weak acid solution has a molarity of 0.005 and pH of 5. What is its percentage ionisation in this solution?

The volume of ethyl alcohol ( density 1.15 g /cc ) that has to prepare 100 cc of 0.5 M ethyl acohol solution in water is _______.

The volume strength of 3.0 M H_(2)O_(2) solution is

If 45 mL of 0.2 M solution A is mixed with 60mL of a 0.3 M solution B and there is no change in volume , the final molarity of the solution is _____.