Answer:it’s C
Explanation:
A distant luminous object travels rapidly away from an observer.
All atoms are of <u>neutral charge, with an equal amount of protons and electrons.</u>
To solve for the number of moles, we simply have to use the Avogadros number which states that there are 6.022 x 10^23 molecules per mole. Therefore:
number of moles = 6.67 X 10^40 chlorine molecules / (6.022 x 10^23 molecules / mole)
number of moles = 1.108 x 10^17 moles
3.0x10-4..............................
