I believe the correct answer from the choices listed above is the second option. The expression (6.0 x 104) (3.1 x 10-1) is equal to 1.9 x 10^4. We only have two significant figures from the starting expression that is why we rounded of the product from 1.86 to 1.9.
Mutualism! The tree provides a home and food for the ants, while the ants protect the tree :)
Carbon has the highest first ionization energy because it is the topmost atom on the periodic table
Answer:
There are 1.8×1024 atoms in 1.5 mol HCl
Explanation: