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At 0^@C , the vapour pressure of pure wa...

At `0^@C` , the vapour pressure of pure water is 4.63 mm and an aqueous solution of 8.49 g of `NaNO_3` dissolved in 100g of water is 4.483 mm. What is the extent of ionisation of `NaNO_3` /

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The correct Answer is:
`0.7`
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AAKASH SERIES-DILUTE SOLUTIONS-EXERCISE - 1.2
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  18. Mention any two characteristics of an ideal solution.

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