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Calculate the pH of 100.0 mL of a buffer that is 0.050 M NH4Cl and 0.180...

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Chemistry

Calculate the pH of 100.0 mL of a buffer that is 0.050 M NH4Cland 0.180 M NH3 before and after the addition of 1.00 mL of 5.70 MHNO3.

Before =

After=

Answer & Explanation Solved by verified expert
3.9 Ratings (390 Votes)
Answer We are given volume 1000 mL NH4Cl NH4 0050 M NH3 0180 M HNO3 570 M volume 100 mL We know Kb for the NH3 18105 pH before addition We are given the base and its conjugate acid so we need to use the Henderson Hasselbalch equation    See Answer
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