Molarity (( M ) ) of an aqueous solution containing (x ~g ) of anhyd. ( CuSO ₄ ) in (500 ~mL ) solution at (32 ^ C ) is (2 10⁻¹ M ). Its molality will be ______ ( 10⁻³ ~m ). (nearest integer). [Given density of the solution (=1.25 ~g / mL )

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Molarity (( M ) ) of an aqueous solution containing (x ~g ) of anhyd. ( CuSO ₄ ) in (500 ~mL ) solution at (32 ^ C ) is (2 10⁻¹ M ). Its molality will be ______ ( 10⁻³ ~m ). (nearest integer). [Given density of the solution (=1.25 ~g / mL )]

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aligned & aligned & M _ sol ^ I = v _ sol ^ n d _ sol ^ n &=500 1.25=625 ~g & Mass of solute ( x )=0.2 0.5 159.5 & =15.95 aligned & n _ solute =0.1, & Mass of solvent = Mass of solution - Mass of solute & =625-15.95 & =609.05 & ~m = 0.1 609.05 1000 & ~m =0.164=164 10⁻³ aligned

Molarity (( M ) ) of an aqueous solution containing (x ~g ) of anhyd. ( CuSO ₄ ) in (500 ~mL ) solution at (32 ^ C ) is (2 10⁻¹ M ). Its molality will be ______ ( 10⁻³ ~m ). (nearest integer). [Given density of the solution (=1.25 ~g / mL )]

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