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percent ionization

What is the percent ionization of the acid in a 0.0008M solution of nitrous acid (HNO2) (ka 4.0e-4)? (4 times 10 to the poer of -4).

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

4315

OTA ID:

103211

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Calculating the pH of a solution.

What is the new pH if a drop containing 0.001 moles of HCl is added to 100.00 ml of a solution 0.100M in each of acetic acid and sodium acetate? (ka for acetic acid 1.75e-5) 1.75x10^-5

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

4335

OTA ID:

101455

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pH of a solution

40.4mL of 0.100M nitric acid solution is added to a 1.00L volumetric flask and the solution is made up to the mark. What is the pH of the solution?

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

4336

OTA ID:

103183

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Calculating the volume of an acid required to change the pH of a buffer solution.

What volume (in mL) of 0.37M HCI solution must be added to 265.00 mL 0.29M ammonia solution to give a buffer solution with pH 9.1? (Kb for ammonia 1.80e-5) 1.80 x10^-5

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

4341

OTA ID:

103127

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pH of a solution

1.50g of sodium flouride is dissolved in water and the solution is made up to 250.00mL in a volumetric flask. What is the pH of the solution? (Ka for HF 1.0e-3) 1.0 x 10 to the power of-3.

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

4342

OTA ID:

103060

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