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Q:

मोलर द्रव्यमान किसे कहते है ?

  • 1
    एथेनॉल
  • 2
    पदार्थ के एक मोल के ग्राम में व्यक्त द्रव्यमान
  • 3
    हाइड्रोज़न परमाणु
  • 4
    ऑक्सीजन
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Answer : 2. "पदार्थ के एक मोल के ग्राम में व्यक्त द्रव्यमान"
Explanation :

In chemistry, the molar mass of a chemical compound is equal to the ratio of the mass of a sample of that compound and the amount (in moles) of the substance present in that sample. Its SI unit is kilogram/mol. But gram/mol is its practical unit.

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