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
Sanchi064:
Sorry its chemistry question
Answers
Answered by
66
1 mole of calcium chloride=111 g
therefore 222 g of CaCl2 is equivalent to 2 moles of CaCl2
Since 1 formula unit CaCl2 gives 3 ions,therefore,1 mole of CaCl2 gives 3 moles of ions.
2 moles of CaCl2 would give 3*2=6 moles of ions.
no. of ions=no. of moles of ions*avogadro no.
=6*6.022*10^23
=3.6132*10^23
=3.6132*10^24 ions.
but how 111g came
Answered by
22
Answer:
Explanation:
1 mole of calcium chloride=111 g
therefore 222 g of CaCl2 is equivalent to 2 moles of CaCl2
Since 1 formula unit CaCl2 gives 3 ions,therefore,1 mole of CaCl2 gives 3 moles of ions.
2 moles of CaCl2 would give 3*2=6 moles of ions.
no. of ions=no. of moles of ions*avogadro no.
=6*6.022*10^23
=3.6132*10^23
=3.6132*10^24 ions
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