What is the pH of a buffer solution prepared by adding 15.0 g of ammonia chloide...

What is the pH of a buffer solution prepared by adding 15.0 g of ammonia chloide to 5.00 L of 0.200 M ammonia? Ka of ammonium is 5.8 x 10^-10

2) What is the pH of the buffer after 90.0mL of 2.00 M HCl are added?

3) What is the pH of the buffer if 15.00 g of NaOH is added to the original buffer solution?

Expert Solution

queen_honey_blossom answered 1 year ago

A buffer is prepared by adding 15.0 g of ammonium chloride (NH4Cl) to 5.00L of 0.200...

A buffer is prepared by adding 15.0 g of ammonium chloride (NH4Cl) to 5.00L of 0.200 M ammonia (kb=1.8x10^-5). 1. What is the pH of the buffer solution? (assume the addition of ammonia does not change the volume) 2. What is the pH of the buffer after 90.0 mL of 2.00M HCl are added to the original buffer?

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