Question 1133304
.
<pre>

Step 1.  Mass = Density * Volume = 13.6 {{{g/cm^3}}} * 50 {{{cm^3}}} = 680 grams = 0.68 kilograms.


Step 2.  Weight = Mass * Gravity_acceleration = 0.68 kg * 9.81 {{{m/s^2}}} = 6.6708 Newtons.    <U>ANSWER</U>
</pre>

Solved, answered, explained and completed.