Answer:
The separation of kerosene, oil, and water are immiscible liquids, so they can be separated funnel.
1. Iron fillings are magnetic, so use a magnet to pull the iron fillings out of the mix.
2. Then you can put the salt and sand mixture into water, since salt is soluble, and the salt will dissolve, leaving you with sand.
15.6gC3H8*44.1gC3H8*32gO2=11.32
Answer:
ore is naturally occuring solid material from which a metal or valuable mineral can be extracted
profitably.
# moles = mass (g) / Mr (relative atomic mass)
# moles = 458 / ((23*2)+32+(16*4)
# moles= 458 / 142 = 3.2253521126760...
= 3.23 moles