Answer:
<h2>0.02 moles </h2>
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula

where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
We have

We have the final answer as
<h3>0.02 moles</h3>
Hope this helps you
<span>The two elements that constitute almost three fourths of the earth's solid surface are oxygen and silicon. Oxygen accounts for 46.6 percent of the Earth's crust, while silicon is 27.7 percent. The next more plentiful element on the Earth's crust is Aluminum.</span>
Hydrogen bond is found between water molecule if im correct
Answer:
1.35g
Explanation:
times the density and volume together to get the mass
0.9 x 1.5 = 1.35g