Service

Chat Now

A Calculate the pH of a 0.10 M solution of barium hydroxide, Ba(OH)2. Express your answer numerically using two decimal places.

A Calculate the pH of a 0.10 M solution of barium hydroxide, Ba(OH)2. Express your answer numerically using two decimal places.

A

Calculate the pH of a 0.10 M solution of barium hydroxide, Ba(OH)2. Express your answer numerically using two decimal places.

B

Calculate the pH of a 0.10 M solution of NaOH.

Express your answer numerically using two decimal places.

C

Calculate the pH of a 0.10 M solution of hydrazine, N2H4. Kb for hydrazine is 1.3×10−6.

Express your answer numerically using two decimal places.

D

Calculate the pH of a 0.10 M solution of hypochlorous acid, HOCl. Ka of HOCl is 3.5×10−8.

Express your answer numerically using two decimal places.

E

Calculate the pH of a 0.10 M solution of HCl.

Express your answer numerically using two decimal places.

2)

Ammonia, NH3, is a weak base with a Kb value of 1.8×10^−5.

Part A

What is the pH of a 0.425 M ammonia solution?

Express your answer numerically to two decimal places.

Part B

What is the percent ionization of ammonia at this concentration?

Express your answer with the appropriate units.

3)

Part A

If Kb for NX3 is 3.5×10−6, what is the pOH of a 0.175 M aqueous solution of NX3?

Express your answer numerically.

Part B

If Kb for NX3 is 3.5×10−6, what is the percent ionization of a 0.325 M aqueous solution of NX3?

Express your answer numerically to three significant figures.

Part C

If Kb for NX3 is 3.5×10−6 , what is the the pKa for the following reaction?

HNX3+(aq)+H2O(l)⇌NX3(aq)+H3O+(aq)

Express your answer numerically to two decimal places.

4)

For each strong base solution, determine [H3O+],[OH−], pH, and pOH.

Part A

8.86×10−3 M LiOH

Express your answer using three significant figures. Enter your answers numerically separated by a comma.

Part B

8.86×10−3 M LiOH

Express your answer to three decimal places. Enter your answers numerically separated by a comma.

Part C

1.10×10−2 M Ba(OH)2

Express your answer using three significant figures. Enter your answers numerically separated by a comma.

Part D

1.10×10−2 M Ba(OH)2

Express your answer to three decimal places. Enter your answers numerically separated by a comma.

5)

A

What is the conjugate base of HCO3−?

Express your answer as a chemical formula.

B

What is the conjugate acid of HPO42− ?

Express your answer as a chemical formula.

6)

Determine the pH of each solution.

Part A

0.20 M KCHO2

Express your answer to two decimal places.

Part B

0.21 M CH3NH3I

Express your answer to two decimal places.

Part C

0.22 M KI

Express your answer to two decimal places.

Sasha Henry 20-Feb-2020

Answer (UnSolved)

question Get solution