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#6. A 130.0 mL buffer solution is 0.110 molL−1 in NH3 and 0.125 molL−1 in NH4Br. A)...

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Chemistry

#6. A 130.0 mL buffer solution is 0.110 molL−1 in NH3 and 0.125molL−1 in NH4Br.

A) What mass of HCl will this buffer neutralize before the pHfalls below 9.00? (Kb(NH3)=1.76×10−5)

B)If the same volume of the buffer were 0.270 molL−1 in NH3 and0.390 molL−1 in NH4Br, what mass of HCl could be handled before thepH fell below 9.00?

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