I got you bro by the power of my heart and the felling of agony my condolences go to the Siskin of Thebes
Answer:
im not sure how to answer this but ...
Explanation:
a jelly bean is not a pure substance it is a mixture.
i hope i helped!!
The answer is b since oxygen has 6 valence electrons.
Answer:
2.13 x 10³moles
Explanation:
Given parameters:
Number of molecules in AlF₃ = 1.28 x 10²⁷molecules
Unknown:
Number of moles = ?
Solution:
A mole is a quantitative unit in chemistry used of taking measurements.
A mole of a substance is the amount of that substance that contains the avogadro's number of particles.
The particles can be molecules, atoms, neutrons, protons, electrons or formula units.
Number of moles =
Number of moles = = 2.13 x 10³moles