नाइट्रोजन का परमाण्विक द्रव्यमान 14 है और हाइड्रोजन का 1 है। अमोनिया का आण्विक द्रव्यमान कितना होगा?

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RRB ALP CBT I 17 Aug 2018 Shift 2 Official Paper
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  1. 17
  2. 18
  3. 15
  4. 16

Answer (Detailed Solution Below)

Option 1 : 17
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सही उत्तर 17 है।

Key Points

  • दिया गया है:
    • नाइट्रोजन का परमाण्विक द्रव्यमान 14 है और हाइड्रोजन का 1 है। 
  • अतः, NH3 का आण्विक द्रव्यमान = ( 1 × 14 ) + ( 3 × 1 )
    • NH3 का आण्विक द्रव्यमान = 17 ग्राम/मोल
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