1 মোল ইথানলের ভর কত?

  1. 36 গ্রাম
  2. 42 গ্রাম
  3. 46 গ্রাম
  4. 52 গ্রাম

Answer (Detailed Solution Below)

Option 3 : 46 গ্রাম
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সঠিক বিকল্পটি হল 3 অর্থাৎ 46 গ্রাম।

ব্যাখ্যা:

  • 1 মোল C2H6O = C2H6O-এর মলিকিউলার ভর (গ্রামে)
    • 2C-এর ভর + 6H-এর ভর + 1O-এর ভর
    • 12 × 2 + 1 × 6 + 16 × 1
    • 24 + 6 + 16
    • 46 গ্রাম 
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