Are prayers, fasting, and good deeds considered unacceptable due to a mother's displeasure, and what should a daughter do to appease her conscience regarding her mother, and is praying for a mother's death considered a sin?

Patience with your mother, honoring her, treating her with kindness, suppressing anger, enduring what she does, and offering her gifts and love are all essential because "Paradise lies beneath the feet of mothers." Your change in dealing with her will lead to a change in her. Seek Allah's help and mend the relationship between you through supplication. You must be cautious not to pray for your mother's death, as that is an act of disobedience.