Answer to Question #230581 in Chemistry for Nick

Question #230581

How many atoms does 2.0 moles of He represent

Expert's answer

According to Avogadro's number, 1 mol of any substance contains 6.022 × 10²³ particles.

Therefore, 2.0 moles of helium (He) represent 2.0 mol × 6.022 × 10²³ = 1.2 × 10²⁴ atoms.

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