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1) A buffer solution contains 0.356 M ammonium chloride and 0.396 M ammonia. If 0.0550 moles of hydroiodic...

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Chemistry

1) A buffer solution contains 0.356 Mammonium chloride and0.396 M ammonia.
If 0.0550 moles of hydroiodic acid are added to 250 mlof this buffer, what is the pH of the resulting solution?(Assume that the volume does notchange upon adding hydroiodic acid)

pH=____

2) A buffer solution contains 0.354 MNaH2PO4 and0.393 MK2HPO4.
If 0.0412 moles of sodiumhydroxide are added to 225 mL of thisbuffer, what is the pH of the resulting solution ? (Assume that thevolume does not change upon adding sodiumhydroxide)

pH = ___

3) A buffer solution contains 0.341 Mnitrous acid and 0.235 Msodium nitrite.
If 0.0278 moles of sodiumhydroxide are added to 250 ml of thisbuffer, what is the pH of the resulting solution ? (Assume that thevolume does not change upon adding sodiumhydroxide)

pH = ____

Answer & Explanation Solved by verified expert
3.7 Ratings (580 Votes)
1 pH 14 pKb logsaltbase after addition of acid to basic buffer salt concentrion increase and base conc    See Answer
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