`30 mL` of `CH_(3)OH (d = 0.8 g//cm^(3))` is mixed with `60 mL` of `C_(2)H_(5)OH(d = 0.92 g//cm^(2))` at `25^(@)C` to form a solution of density `0.88 g//cm^(3)`. Select the correct option(s) :A. Molarity and molality of resulting solution are 6.33 and 13.59 respectivelyB. The mole fraction of solute and molality are 0.385 and 13.59 respectivelyC. Molarity and % change in volume are 0.615 and zero respectivelyD. Mole fraction of solvent and molality are 0.615 and 13.59 respectively

`30 mL` of `CH_(3)OH (d = 0.8 g//cm^(3))` is mixed with `60 mL` of `C_

1.	`30 mL` of `CH_(3)OH (d = 0.8 g//cm^(3))` is mixed with `60 mL` of `C_(2)H_(5)OH(d = 0.92 g//cm^(2))` at `25^(@)C` to form a solution of density `0.88 g//cm^(3)`. Select the correct option(s) :A. Molarity and molality of resulting solution are 6.33 and 13.59 respectivelyB. The mole fraction of solute and molality are 0.385 and 13.59 respectivelyC. Molarity and % change in volume are 0.615 and zero respectivelyD. Mole fraction of solvent and molality are 0.615 and 13.59 respectively
Answer» Correct Answer - B::C

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The purity of `H_2O_2` in a given sample is `85%.` Calculate the weight of impure sample of `H_2O_2` which requires `10mL` of `M//5 KMnO_4` solution in a titration in acidic mediumA. 2 gB. 0.2 gC. 0.17 gD. 0.15 g
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