C-06-Q049mediumsingle_mcqNumber of O atoms in 1 mole H2SO4\mathrm{H_2SO_4}H2SO4—a4×6.023×10234 \times 6.023 \times 10^{23}4×6.023×1023b6.023×10236.023 \times 10^{23}6.023×1023c2×6.023×10232 \times 6.023 \times 10^{23}2×6.023×1023d3×6.023×10233 \times 6.023 \times 10^{23}3×6.023×1023