$540\  g$ of ice at $0\ ^oC$ is mixed with $540\  g$ water at $80\  ^oC$. The final temperature of the mixture is

  • A

    $0\ ^oC$

  • B

    $40\ ^oC$

  • C

    $80\ ^oC$

  • D

    Less than $0\ ^oC$

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