To calculate the number of molecules in 2.30 moles of dinitrogen monoxide, we can use Avogadro's number, which is approximately 6.022 x 10^23 molecules per mole.

1. Convert moles to molecules:

Number of molecules = (2.30 moles) x (6.022 x 10^23 molecules/mole)

2. Multiply the values:

Number of molecules = 1.385 x 10^24 molecules

Therefore, there are approximately 1.385 x 10^24 molecules of dinitrogen monoxide in 2.30 moles of this compound.