CHEM II: CH 16

A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions

• acid

• base

• salt

• pH

Scale that ranges from 0- 14

• acid

• base

• salt

• pH

If there is excess hydrogen ions, the solution will be...

• acidic
• basic

If there is excess hydroxide ions, the solution will be...

• acidic
• basic

If the pH of a solution is 5.6 the pOH is

• 6.5
• 12.4
• 8.4
• 5.6

What is the pH of a 1 x 10^-8 M solution of HNO₃?

• 8
• 6
• 7
• 7.5

What is the molarity of a 30 mL HCl which is neutralized by 48 mL of 0.1 M NaOH?

HCl + NaOH --> H₂O + NaCl

• 0.16 M

• 6.25 M

• 0.063 M

Tags

NGSS.HS-PS1-7

The following neutralization reaction occurs in the classroom.
HCl  +  KOH  -->  H₂O  +  KCl
If a student uses 25.0 mL of a 0.5M solution of KOH, what is the molarity of the acid if 15.0mL of acid neutralized?

• 0.8M
• 1.2M
• 12.5M

Tags

NGSS.HS-PS1-7

pH less than 7.

• Acids
• Bases
• All

Which of the following shows the correct conjugate acid base pair?

• H₂O (base) / H₃O⁺ (conjugate acid)
• H₂O (acid) / CH₃COO^- (conjugate base)
• CH₃COOH (acid) / H₃O⁺ (conjugate base)
• CH₃COOH (base) / CH₃COO^- (conjugate acid)