calculate the no of atoms of chlorine in 444gm of CaCl2
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Explanation:
No. of particles in 444 gm of CaCl2 particles
Molecular mass of CaCl2 = 110.98 Or 111
No. of moles = 444/111 = 4
1 mole of substance contains= 6.022 X 10²³ particles
Therefore, 4 X 6.022 X 10²³ = 24.088 x 10²³
= 2.4 x 10²⁴
As 1 Cacl2 contains = 2 Cl
Therefore, 2.4 x 10²⁴ x 2 = 4.8 X 10²⁴ particles
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