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A buffer system, used as an ingredient for a certain diet soft drink, is prepared by combining 2.00 L of a 0.250 M citric acid solution and 4.00 L of a 0.800 M sodium citrate salt solution. What will the pH of this soda be if 0.200 moles of NaOH is added to it? Ka (citric acid) = 7.40 × 10-4. Provide your answer to 2 decimal places. | ʼn Buffersisteem, wat as bestanddeel vir 'n sekere dieetkoeldrank gebruik word, word voorberei deur 2.00 L van 'n 0.250 M sitroensuuroplossing en 4.00 L van 'n 0.800 M natriumsitraat soutoplossing te kombineer. Wat sal die pH van hierdie koeldrank wees indien 0.200 mol NaOH daarby gevoeg word? Ka (sitroensuur) = 7.40 × 10-4. Gee jou antwoord tot 2 desimale syfers. |
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