Question

number 0f bonds present in 0.33 moles 0f ethene ?

Answer 1

ethene CH2=CH2

Total 6 bonds 1 ethene molecule has

0.33 moles = 0.33×6.023×10^23

= 1.987 × 10^23

So no of bonds in 0.33 moles = 6×1.987 × 10^23 = 11.92 ×10^23