C-06-Q002mediumsingle_mcqঅ্যাভোগেড্রোর সংখ্যা কত?a6.022×10226.022 \times 10^{22}6.022×1022b6.023×10236.023 \times 10^{23}6.023×1023c6.023×10246.023 \times 10^{24}6.023×1024d9.11×10319.11 \times 10^{31}9.11×1031