Statement-1 : Molality of pure ethanol is lesser than pure water Statement-2 : As density of ethanol is lesser than density of water [Given : `d_("eth

Question

Statement-1 : Molality of pure ethanol is lesser than pure water Statement-2 : As density of ethanol is lesser than density of water [Given : `d_("eth

Statement-1 : Molality of pure ethanol is lesser than pure water
Statement-2 : As density of ethanol is lesser than density of water
[Given : `d_("ethanol") = 0.789 gm//ml, d_("water") = 1gm//ml`]
A. Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1.
B. Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.
C. Statement-1 is false, statemetn-2 is true
D. Statement-1 is true, statement-2 is false.

Monjur Alahi

15 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Molarity of pure ethanol `(1)/((46)/(1000))=(1000)/(46)`
Molarity of pure water `(1)/((18)/(1000))=(1000)/(18)`
`m_(C_(2)H_(5)OH)ltm_(H_(2)O)`
density is not used to calculate molarity.

15 views Answered 2023-02-05 15:29