Answer to Question #290511 in Chemistry for lia

Question #290511

how many moles does 1.23x10²³ molecules of CaCl₂ represent?

Expert's answer

Solution:

One mole of any substance contains 6.02×10²³ particles.

Thus,

Moles of CaCl₂ = (1.23×10²³ molecules) × (1 mol / 6.02×10²³ molecules) = 0.204 mol CaCl₂

Answer: 0.204 moles of CaCl₂

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