A solution of 2.0 g of a synthetic polymer in enough water to make 250 mL shows an osmotic pressure of 4.0 × 10⁻³ bar at 300 K. Using R = 0.083 L bar mol⁻¹ K⁻¹, what is the molar mass of the polymer?

More NEET Chemistry chapters

Chemical Bonding and Molecular Structure9 questions
Classification of Elements and Periodicity in Properties10 questions
Equilibrium9 questions
Hydrocarbons10 questions

© 2026 Lumi (Aikolumi Software Pvt Ltd). Original questions written by Lumi. Free to view and practise on this site. Copying, republishing or reproducing these questions, options or solutions, in print or online, is not permitted.

The Lumi app

Practising is step one. Knowing what to practise next is the hard part

The Lumi app tracks every answer, finds the concepts you're losing marks on, and schedules your revision with FSRS before you forget.

Start learning free

A solution of 2.0 g of a synthetic polymer in enough water to make 250 mL shows an osmotic pressure of 4.0 × 10⁻³ bar at 300 K. Using R = 0.083 L bar mol⁻¹ K⁻¹, what is the molar mass of the polymer?

More NEET Chemistry chapters

Practising is step one. Knowing what to practise next is the hard part.

Practising is step one. Knowing what to practise next is the hard part