At-Tawbah 9:103

خُذۡ مِنۡ أَمۡوَٰلِهِمۡ صَدَقَةٗ تُطَهِّرُهُمۡ وَتُزَكِّيهِم بِهَا وَصَلِّ عَلَيۡهِمۡۖ إِنَّ صَلَوٰتَكَ سَكَنٞ لَّهُمۡۗ وَٱللَّهُ سَمِيعٌ عَلِيمٌ 103

Take, [O, Muhammad], from their wealth a charity by which you purify them and cause them increase, and invoke [Allah 's blessings] upon them. Indeed, your invocations are reassurance for them. And Allah is Hearing and Knowing