What is molar mass?

  • A
    The mass of one molecule of a substance.
  • B
    The mass of one mole of a substance.
  • C
    The mass of one atom of a substance.
  • D
    The mass of one gram of a substance.

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Similar Questions

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At $NTP$,a sample of equal volume of chlorine and oxygen is taken. What is the ratio of the number of molecules?

$A$ certain amount of gas has a volume of $12 \, L$ at a pressure of $3 \, atm$. If the temperature remains constant,what pressure in $atm$ must be applied to reduce its volume to $9 \, L$?

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