The answer is B.Let it sit
Difference in density between the two liquids
Dmitri Mendeleev
<span> Dmitri Mendeleev and Lothar Meyer individually came up with their own periodic law "when the elements are arranged in order of increasing atomic mass,
certain sets of properties recur periodically.</span>
The equation is already balanced.
Answer:
algun moderador puede acabar a este otro este me borró respuesta que no debió borrar