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JEE Main & Advanced Chemistry The Solid State / ठोस प्रावस्था Question Bank Numerical Value Type Questions - Solid State

  • question_answer
    Lithium borohydride \[\left( LiB{{H}_{4}} \right)\] , crystallises in an orthorhombic system with 4 molecules per unit cell. The unit cell dimensions are: a=6.81 A, b=4.43 A, c=717 A. If the molar mass of \[LiB{{H}_{4}}\] is \[21.76g\,mo{{l}^{-1}}\] . The density of the crystal is -

    Answer:

    0.69


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