BEIJING — As compensation for an official act of injustice, the $429 a Chinese court awarded the mother of a rape victim on Monday was relatively paltry. Symbolically, the money carried a wallop. Connect With Us on Twitter Follow @nytimesworld for international breaking news and headlines. Twitter List: Reporters and Editors That is because the award, issued by a high court in Hunan Province in southern China, was an explicit acknowledgment that the mother, Tang Hui, had been wrongly sentenced to a labor camp last year after she publicly demanded that some of the men convicted of kidnapping, raping and prostituting her 11-year-old daughter be more harshly punished. Two of the men were…