Question

The number of chloride ions in 111g of anhydrous calcium chloride.

Answer 1

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Answer...

Molecular mass of CaCl2 = 111 g

Total no of molecules in 111 g = 6.02 x 10²³

one molecule of CaCl2 has 2 Cl ions

So ,

In 6.02 x 10²³ molecules = 6.02 x 10²³ x 2

= 12.04 x 10²³ molecules

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