Zadania z chemii IB HL

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Filtry i umiejętności1

A buffer solution can be prepared by mixing $\ce{NH3(aq)}$

with

\ce{HCl(aq)}

. (i) Describe how the two solutions should be combined so that the buffer obtained is as effective as possible. (ii) Write equations to show how this buffer solution responds to the…

(i) Describe how aqueous hexanoic acid and aqueous sodium hydroxide could be used to make a buffer solution. (ii) Predict the effect on the buffer's pH of adding a small amount of water.