Answer:
The Sun will appear to rise and set more slowly.
Number of moles = number of atoms/Avogadro's number
= (4.8x10^25)/(6.02x10^23)
=79.7 mol (3sf)
Did you mean significant figures? If so, 67.6(1.2)=81
When multiplying, you always leave the the answer in the least amount of significant figures.
Answer:
Lanthanides and Actinides
Explanation:
Choice A is the correct one
