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You need to prepare a buffer solution containing amongst other things 0.300 moles of HF. In addition you have only HBr, CH3COOH, NaOH and NH3 solutions available.

Indicate which one of these solutions you will combine with the HF solution in order to produce a buffer solution. Specify whether you will need less, the same or more than 0.300 mol of the second compound and explain briefly how this will be able to produce a buffer.

Jy moet 'n bufferoplossing voorberei wat onder andere 0.300 mol van HF bevat. Hiermee saam het jy slegs HBr, CH3COOH, NaOH en NH3 oplossings beskikbaar.

Dui aan watter een van hierdie oplossings jy met die HF oplossing sal kombineer om 'n bufferoplossing te produseer. Spesifiseer of jy minder, dieselfde of meer as 0.300 mol van die tweede verbinding sal benodig en verduidelik kortliks hoe dit sal werk om 'n buffer te produseer.

 

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