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Chemistry / Chemie - 144

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Barbituric acid (Ka = 9.8 × 10-5) is used in the preparation of barbiturate drugs, which act as central nervous system depressants.

Determine the % ionization for a 0.0015 M solution that has a pH of 3.78.

Please give the answer to 2 decimal places.

Barbituriensuur (Ka = 9.8 × 10-5) word gebruik in die bereiding van barbituraatmedisyne, wat dien as depressante in die sentrale senuweestelsel.

Bepaal die % ionisasie vir 'n 0.0015 M oplossing met 'n pH van 3.78.

Gee asseblief die antwoord tot 2 desimale plekke.

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Which of the acid-base reactions below would be reactant-favoured?Watter van die suur-basis reaksies hieronder sal reaktantgedrewe wees? 
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With reference to the distillation set-up above, which of the following statements are true?Met verwysing na die distillasie-opstelling hierbo, watter van die volgende stellings is waar?
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