Answer: 3 moles Na
Explanation: To find the number of moles of Na, divide the number of atoms of Na with the Avogadro's Number.
1.806x10²⁴ atoms Na x 1 mole Na / 6.022x10²³ atoms Na
= 2.99 or 3 moles Na
Answer:
This:
Explanation:
Black holes occur when a massive star or larger reaches the final stage of it's lifespan. The star implodes and a black hole is the dying star's remains
Answer:
Al is aluminum. Bromine gas is Br2
Explanation:
Al + Br2 = AlBr3
The color of a substance is correct, also if the substances starts to bubble describes a small portion of a chemical reaction.