What mass of nh4cl will be required to prepare buffer

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Problem- What mass of NH4Cl will be required to prepare 1.0 L of a buffer solution at pH 9.50 containing 68.00 mL of NH3 (aq) ( ? = 0.90 g.cm-3 ; 28 % w/w) which pKB is 4.75?

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Reference no: EM13691580

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