How many molecules of CO₂ are contained in a 10.0 L tank at 7.53 bar and 485 K? A) 1.89 × 10²⁴ molecules B) 1.12 × 10²⁴ molecules C) 8.32 × 10²⁴ molecules D) 4.89 × 10²⁴ molecules E) 3.63 × 10²⁴ molecules

Question

Quizplus · Accepted Answer

Using the ideal gas law PV = nRT, where P = 7.53 bar (converted to 753,000 Pa), V = 10.0 L (converted to 0.01 m³), R = 8.314 J/(mol·K), and T = 485 K, we find the number of moles n. Then, multiply by Avogadro's number (6.022 × 10²³ molecules/mol) to find the number of molecules.

How Many Molecules of CO2 Are Contained in a 10

How Many Molecules of CO₂ Are Contained in a 10