Answer to Question #290511 in Chemistry for lia

Question

how many moles does 1.23x10²³ molecules of CaCl₂ represent?

Answer 1

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