D has a total of four significant figures.
Yes, it is a Compound.
They both comprehend with the atoms of each sourse!
The answer will be 3 moles
Answer:
B
Explanation:
sometimes it can change chemically but not all the time.
1. Convert the number of moles to number of particles (divide 6.41 by 6.022 x 10^23)
2. K2O dissociates into three ions (2 potassium ions and 1 oxide ion), so multiply the result from step 1 by 3 to get your answer