A metal crystallizes into two cubic phases

CHEMISTRY · Subjective · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures

Problem

A metal crystallizes into two cubic phases, face-centred cubic (fcc) and body-centred cubic (bcc) whose unit cell lengths are 3.5 and 3.0

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, respectively. Calculate the ratio of densities of fcc and bcc. (IIT 1999)