500g of 30% (w/w) solution is mixed with 400g of 25% (w w ) solution.Mass percentage of the resulting solution is

100mL, 3% (w/v) NaOH solution is mixed with 100 ml, 9% (w/v) NaOH solution. The molarity of final solution is

A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solutionby mass. Calculate the mass percentage of solute in the resulting solution.

300 gm, 30% (w/w) NaOH solution is mixed with 500 gm 40% (w/w) NaOH solution. What is % (w/v) NaOH if density of final solution is 2 gm/mL?

If 2 litre of 9.8% w//w H_(2)SO_(4) (d = 1.5 g//mL) solution is mixed with 3 litre of 1 M KOH solution then the concentration ofv H^(+) if solution is acidic or concentration of OH^(-) if solution is basic in the final solution is:

Four containers are taken at the same temperature , as shown in the figure : (A) 500 mL of 10% (w/w) urea solution (B) 500 mL of 10% (w/w) urea solution (C) 400 mL of 10% (w/w) urea solution (D) 500 mL of 20% (w/w) urea solution The correct order of vapour pressure of these solution is :

500 ml of 2M AlCl_(3) solution is mixed with 200 ml of 58.5 % w//v NaCl solution and 300 ml of 50% w//w BaCl_(2) solution (d=2.08 g//ml) . Calculate molarity of Cl^(-) in the final solution.