How many molecules of carbon dioxide,CO₂,comprise 2.55 grams?

Question

Quizplus · Accepted Answer

To find the number of molecules in 2.55 grams of CO2, first calculate the molar mass of CO2 (12.01 g/mol for C + 2*16.00 g/mol for O = 44.01 g/mol). Then, use the formula: number of moles = mass / molar mass = 2.55 g / 44.01 g/mol ≈ 0.058 moles. Finally, multiply the number of moles by Avogadro's number (6.022 × 10^23 molecules/mol) to find the number of molecules: 0.058 moles * 6.022 × 10^23 molecules/mol ≈ 3.49 × 10^22 molecules.

How Many Molecules of Carbon Dioxide,CO2,comprise 2.55 Grams

How Many Molecules of Carbon Dioxide,CO₂,comprise 2.55 Grams