1 মোল জলের ভর কত?

  1. 16 গ্রাম
  2. 18 গ্রাম
  3. 20 গ্রাম
  4. 14 গ্রাম

Answer (Detailed Solution Below)

Option 2 : 18 গ্রাম
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সঠিক উত্তরটি হল 2 অর্থাৎ, 18 গ্রাম।

ব্যাখ্যা:

  • H2-এর 1 মোল = গ্রামে H2O -এর আণবিক ভর
    • 2H -এর ভর + 1O -এর ভর
    • 2 × 1 + 16 × 1
    • 2 + 16
    • 18 গ্রাম
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