the latest weather report includes the following statement: the temperature is 78°f, barometric pressure is 29 and the relative
1 answer:
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Number of moles = 78.41
<h3>Further explanation </h3>The mole is the number of particles(molecules, atoms, ions) contained in a substance
1 mol = 6.02.10²³ particles
Can be formulated
N=n x No
N = number of particles
n = mol
No = Avogadro's = 6.02.10²³
4.72 x 10²⁵ atoms of a substance, then moles :
To help, I drew a diagram. This represents an ionic bond between Na and Cl. Na is giving his single electron to Cl, which is indicated by the arrow, to make Cl full with 8 electrons.
