When `10 mL` of ehtyl alcohol (density `= 0.7893 g mL^(-1))` is mixed with `20 mL` of water (density `0.9971 g mL^(-1))` at `25^(@)C`, the final solution has a density of `0.9571 g mL^(-1)`. The percentage change in total volume on mixing is

If 20 mL of ethanol (density =0.7893g//mL) is mixed with 40mL water (density = 0.9971g//mL) at 25^(@)C , the final slution has density of 0.9571g//mL . Calculate the percentage change in total volume of mixing. Also calculate the molarity of alcohol in the final solution.

If 20 mL of ethanol (density =0.7893g//mL) is mixed with 40mL water (density = 0.9971g//mL) at 25^(@)C , the final slution has density of 0.9571g//mL . Calculate the percentage change in total volume of mixing. Also calculate the molality of alcohol in the final solution.

If 20 mL of ethanol (density =0.7893g//mL) is mixed with 40mL water (density = 0.9971g//mL) at 25^(@)C , the final slution has density of 0.9571g//mL . Calculate the percentage change in total volume of mixing. Also calculate the molarity of alcohol in the final solution.

Molality of pure ethyl alcohol (density 0.92 g ml) is :

30 mL of methyl alcohol (density = 0.8 g/cc) is mixed with 70 mL of water (density = 1.0 g/cc) at 25^@C to give a solution of density 0.94 g/cc. Find the mole fraction, molarity and molality.

30 mL of methyl alcohol (density = 0.8 g/cc) is mixed with 70 mL of water (density = 1.0 g/cc) at 25^@C to give a solution of density 0.94 g/cc. Find the mole fraction, molarity and molality.

On mixing 15.0 ml of ethyl alcohol of density 0.792"g ml"^(-1) with 15 ml of pure water at 4^(@)C , the resulting solution is found to have a density of 0.924"g ml"^(-1) . The percentage contraction in volume is :

20 ml of pure acetic acid (density = 0.75 gm ml^(-1) ) is mixed with 50 gm of water (density = 1 gm ml^(-1) ) at a certain temperature. Calculate the molality of acetic acid in the final solution.