The answer is C. If the Fours were all the way on the left it would make all of the zeros Significant figures.
A. An element is the answer
Answer: 55.56 moles of MgO
Explanation:
1 mole = avogadro number
if 6.21x10^25 atoms then molecules of MgO (equal numbers of Mg and O atoms)
= 0.5*6.21x10^25 = 3.105 molecules of MgO
So moles of MgO = 0.5*6.21*10^25/avogadro number = 55.56
Answer:
Your answer is A. They will show even dispersion to get water.
Explanation:
