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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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
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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