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) The osmotic pressure of blood is 7.65 atm at 270C. How much glucose should be used per litre to prepare an intravenous injection that has the same osmotic pressure as blood?

Answer» <html><body><p><strong>Answer:</strong></p><p>The <a href="https://interviewquestions.tuteehub.com/tag/osmotic-2900535" style="font-weight:bold;" target="_blank" title="Click to know more about OSMOTIC">OSMOTIC</a> pressure is given by Π=CRT</p><p>Here, C is the molar concentration, R is the ideal gas constant (0.08206 <a href="https://interviewquestions.tuteehub.com/tag/l-535906" style="font-weight:bold;" target="_blank" title="Click to know more about L">L</a> atm / mol . K) and T is the absolute temperature. </p><p></p><p>Now,</p><p>7.65=C×0.08206×(273+37)</p><p>∴C=0.3 M</p><p></p><p>⇒1 L of the solution will <a href="https://interviewquestions.tuteehub.com/tag/contain-409810" style="font-weight:bold;" target="_blank" title="Click to know more about CONTAIN">CONTAIN</a> 0.3 moles of glucose. The molar mass of glucose is 180 <a href="https://interviewquestions.tuteehub.com/tag/g-1003017" style="font-weight:bold;" target="_blank" title="Click to know more about G">G</a>/mol. </p><p></p><p>This corresponds to 0.3×180=54.0 g of glucose.</p></body></html>


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