in question no.2.15 of solution chapter pressure exerted by solvent is 1.004bar. according to ncert soln pressure exeterd by pure water at normal b.p is 1.013bar.how can we find its pressure exeterd by pure water at normal b.p,since it is noy given in the question and ncert textbook??
Solution of this question in NCERT
You are talking about this data-
Vapour pressure of pure water at normal boiling point 
Nice Question- Mayuri Nale you need not to worry it will be given in CBSE and even in entrance exam otherwise practise will make you learn. Actually mayuri since water is common solvent due to which examiner sometimes expect from you that you need to know everything about water like boiling point vapour pressure thats why its not given.