A) 120 mm
B) 127 mm
C) 914.4 mm
D) 1000 mm
E) 3048 mm
Answer:
B
Explanation:
Homogeneous= all particles are dissolved thoroughly
Solute= 1 gram of salt
Solvent= 500 mL water
7. Atomic mass
8. Atomic number
9. Chemical symbol
10. Right
Answer:
<h2>1.38 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
From the question we have
We have the final answer as
<h3>1.38 moles</h3>
Hope this helps you
I got 134.91 but if you round it you’ll get 135