#### Answer

Please see the work below.

#### Work Step by Step

We know that the latent heat is given as
$L=\frac{Q}{m}$
We plug in the known values to obtain:
$L=\frac{200}{0.008}$
$L=25000\frac{J}{Kg}$
$L=25\frac{KJ}{Kg}$
Thus, the sample is lead.

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Published by
Pearson

ISBN 10:
0-134-98855-8

ISBN 13:
978-0-13498-855-9

Please see the work below.

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