Calculate the expected pH when 0.5 mL of 0.1 HCl is added to30.0 mL of pure water. Do the same calculation when the same amountof HCl is added to 30.0 mL of your original 0.05 buffer (pH is 9.6)compare the calculated pH to the actual measured pH.

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Lelia LubowitzLv2

18 Jun 2019

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I have two questions here.
1.

Calculate the expected pH when 0.5 mL of 0.1 M HCL is added to 30.0mL pure water. Do the same calculation when the same amount of HClis added to 30.0 mL of your original .05M buffer. Compare thecalculated pH to the actual measured pH.

My buffer solution pH=4.36.

2.
If you have 50 mL of .05M potassium phosphate buffer pH 7.0 and youadded 2.0 mL of 0.1M HCl what would the final pH be? What would thepH be if 2.0 mL of 0.1M NaOH was added to the same amount of theoriginal buffer?
please help

calculate the change in ph when 6 ml of 0.1 M HCl is added to 100ml of a buffer solution that is 0.1 M in NH3 and 0.1 M inNH4Cl.
And calculate the change in PH when 6 ml of 0.1 M NaOH is added tothe original buffer solution.

carminehare182

A solution is prepared by dissolving 30.0 g of pure HC2H3O2 and 45.0 g of NaC2H3O2 in 700 mL of solution (the final volume). What is the pH of the solution?What would the pH of the solution be if 30.0 mL of 0.650 M NaOH were added?What would the pH be if 30.0 mL of 0.70 M HCl were added to the original 700 mL of buffer solution?

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Calculate the expected pH when 0.5 mL of 0.1 HCl is added to30.0 mL of pure water. Do the same calculation when the same amountof HCl is added to 30.0 mL of your original 0.05 buffer (pH is 9.6)compare the calculated pH to the actual measured pH.

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