Question

Number of molecules in 6.0×10⁻⁶ mol CH₃CH₂OH

Answer 1

To find the number of molecules in 6.0 × 10−6 mol of CH3CH2OH, multiply the amount of moles by Avogadro's number, resulting in 3.6132 × 10−18 molecules.

Step-by-step explanation:

The number of molecules in a given amount of substance can be calculated using Avogadro's number, which states that there are 6.022 × 1023 molecules in one mole of any substance. For 6.0 × 10−6 mol of CH3CH2OH, the calculation is as follows:

• Number of molecules = moles × Avogadro's number
• Number of molecules = 6.0 × 10−6 mol × 6.022 × 1023 molecules/mol
• Number of molecules = 3.6132 × 1018 molecules of CH3CH2OH