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Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0...

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Chemistry

Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) isadded to 100.0 mL of a buffer solution that has a 0.100 Mconcentration of NH3(aq) and a 0.100 M concentration ofNH4Cl(aq).

Calculate the change in pH when 6.00 mL of 0.100 M NaOH(aq) isadded to the original buffer solution.

On a second question,

500.0 mL of 0.100 M NaOH is added to 615 mL of 0.250 M weakmonoprotic acid (Ka = 4.91 × 10-5). What is the pH of the resultingbuffer?

Answer & Explanation Solved by verified expert
3.6 Ratings (537 Votes)
Part A Initial pH pH pKa logNH3NH4Cl 925 log0101 925 When HCl 01 x 6 06 mmol added NH3 01 x 100 06106 0089 M NH4Cl    See Answer
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