Answer:
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Total in pot=28 L
400 mL in each bowl
16 bowls filled
1000mL=1L
16 bowls(400mL/1 bowl)=6400mL
6400mL(1L/1000mL)=6.4L
28L-6.4L=21.6 L
I believe the correct answer from the choices listed above is the last option. You can separate the mixture of <span> iron beads and iron filings by using a screen distillation. Since they surely have different sizes so you can easily separate by filtration. Hope this answers the question.</span>
Arsenic
Arsenic has an atomic mass of 74.92, is a well known poison, and a metalloid.