Which of the following statements about H2S solutions in water are TRUE? You may select more than one answer but incorrect answers will be penalised. a. If the temperature rises the concentration of H2S decreases b. As the temperature rises the pKa of H2O decreases O c. As the temperature rises the solubility of H2S increases O d. As the temperature rises the pKa of H2S increases e. Increasing temperature makes hydrogen bonding weaker

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