Nalorphene (C19H21NO3), similar to morphine, is used to combat withdrawal symptoms in narcotic users
Nalorphene Numerical Explained | Molarity Concept | Class 11 Chemistry
Nalorphene (C19H21NO3), similar to morphine, is used to combat withdrawal symptoms in narcotic users. Dose of Nalorphene generally given is 1.5 mg. Calculate the mass of 1.5 x 10 ^ (-3) m aqueous solution required for the above dose.
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🎯 Chapter Details:
Class: 12
Subject: Chemistry
Chapter: Solutions
Nalorphene (C19H21NO3) numerical explained step by step using molarity. In this video, we solve an important Class 12 Chemistry numerical based on molarity and concentration of solutions.
🔬 Concepts Used:
✔ Molality (m)
✔ Formula of molality
✔ Molecular mass calculation
✔ Relationship between mass of solute and solvent
✔ Unit conversions (mg → g)
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📚 Step-by-Step Covered:
• Calculate molar mass of Nalorphene
• Convert dose from mg to grams
• Apply molality formula
• Find mass of solvent required
• Calculate total mass of solution
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📌 Important For:
✅ CBSE Board Exams
✅ Numerical-based questions
✅ JEE Main foundation
✅ NEET chemistry basics
✅ Competitive exams
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