" edensily of a solution is "3,12" gm/ml.the mass of "1.5" ml solution in significant figures is..."

If the density of a solu tion is 3.12 g mL^(-1) , the mass of 1.5mL solution in significant figures is.........

If the density of a solu tion is 3.12 g mL^(-1) , the mass of 1.5mL solution in significant figures is.........

If the density of a solution is 3.12 "g mL"^(-1) , the mass of 1.5 mL solution in significant figures is

If the density of a solution is 3.12 "g mL"^(-1) , the mass of 1.5 mL solution in significant figures is

The density of 2.0 M solution of solute is 1.2 gm/ml. If the molecular mass of solute is 100 gm "mol"^(-1) then the molality of the solution is

The mole fraction of NaOH in its aqueous solution is 0.2 and density of this solution is 1.12 gm/ml then molarity of the solution is -