Question

calcium chloride when dissolved in water dissociates into its ions according to the following equation : CaCl2 = Ca +2Cl . calculate number of ions obtained from CaCl2 when 222g of it is dissolved in water


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Answer 1

Answer:

calcium chloride when dissolved in water dissociates into the ions according to the following equation blah blah blah calculate number of Ions obtained from CBSE 12 when 2223 of it is dissolved in

Explanation:

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Answer 2

Answer:

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11th

Chemistry

Some Basic Concepts of Chemistry

Stoichiometry and Stoichiometric Calculations

Calcium chloride, when diss...

CHEMISTRY

Asked on December 30, 2019 byTäñü Jee

Calcium chloride, when dissolved in water, dissociates into its ions according to the following equation :

CaCl2(aq)→Ca2+(aq)+2Cl−(aq)

The number of ions obtained from CaCl2 when 222 g of it is dissolved in water are :

A

1.2044×1024ions

B

1.8066×1024ions

C

2.4044×1024ions

D

3.6132×1024ions

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ANSWER

1mole→111g of CaCl2

∴222g of CaCl2 is equivalent to 2 moles of CaCl2

Since 1 formula unit CaCl2 gives 3 ions, therefore, 1 mol of CaCl2 

will give 3moles of ions

2 moles of CaCl2 would give 3×2=6 moles of ions.

No. of ions = No. of moles of ions X Avogadro number

=6×6.022×10