Calculate the volume (in mL) of 0.170 M NaOH that must be added to 397 mL...

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Question

Calculate the volume (in mL) of 0.170 M NaOH that

Answer 1

Answer #1

No of mole of MOPS = 0.397*0.0429 = 0.017 mol

pH = pka + log(salt/acid)

7.55 = 7.18+ log(x/(0.017-x))

x= 0.012 mol

No of mole of NaOH added = 0.012 mol

Volume of NaOH = n/M = 0.012 / 0.17 = 0.0706 L

= 70.6 ml

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Answer 2

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