Acids and Bases

pH less than 7.

• Acids
• Bases
• All

pH greater than 7.

• Acids
• Bases
• All

The pH scale is based off of the concentration of _________ ions.

• Oxygen
• Hydrogen
• Nitrogen
• None of the others

What is the hydrogen ion concentration if the [OH^-] = 1 x 10^-9 M?

• 1 x 10^-5 M
• 1 x10^-23 M
• 100000 M
• 1 x10⁵ M

What is the pH of the concentration of H⁺ is 0.111 M?

• 9.01 x 10^-14

• 13.0

• 0.955

• 0.111

What is the pOH if the concentration of OH^- is 0.00956M?

• 2.02

• 1.05 x 10^-14

• .0202

• 9.56 x 10¹⁴

What is the hydrogen ion concentration of a solution with a pH of 4.64?

• 2.16 x 10^-15M
• 4.64 x 10¹⁴M
• 4.64 x 10^-14M
• 2.29 x 10^-5M

What are properties of acids?

• Bitter, slippery, ph above 7
• Sour, reacts with metals, ph below 7
• Sour, reacts with metals, ph above 7
• Bitter, ph of 7, does not react with metals

Tags

NGSS.MS-PS1-2

What are properties of a base?

• Slippery, bitter, does not react with metals, pH above 7.
• Slippery, bitter, reacts with metals, pH below 7.
• Sour, reacts with metals, pH below 7
• Sour, reacts with metals, pH above 7.

What is the conjugate acid in the following equation?

• PO₄^3- 
• HNO₃ 
• NO₃^- 
• HPO₄^2-