I need help and 25 points and brainliest

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

How does concentration affect reaction rate