HBrO(aq),in a 0

question 58

Multiple Choice

HBrO(aq) ,in a 0.25 M solution,has a pK_a = 8.69.What is its pH?

• A)0.60
• B)4.65
• C)5.90
• D)8.10
• E)9.30

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Definitions:

Octet Rule

A chemical rule of thumb that reflects the observation that atoms of main-group elements tend to bond in such a way that each atom has eight electrons in its valence shell.

Lewis Dot Structure

A diagram that represents the valence electrons of atoms within a molecule, showing the bonding between atoms as well as lone pairs of electrons.

He

Helium, a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas series in the periodic table.

Lewis Dot Structure

A graphical representation of the valence electrons of atoms, indicating how the electrons are shared or paired between atoms in a molecule.