hinojosachristian1
26.02.2021 •
Chemistry
Calcium chloride when dissolved in water dissociates into its ions according to the
CaCl2(aq) - > Ca^2+ (aq) + 2Cl^-
Calculate the number of ions obtained from CaCl2 when 222g of it is dissolved in water.
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Ответ:
1 mole ->111g CaCl2
∴ 222g CaCl2 is equivalent to 2 moles of CaCl2
since 1 formula unit CaCl2 gives 3 ions, therefore, 1 mol of CaCl2 will give 3 moles of ions
2 moles of CaCl2 would 3 x 2 = 6 moles
No. of ions = No. of moles of ions x Avogadro number
= 6 x 6.022 x 10^23
= 36.132×10^23
=3.6132×10^24 ions
Ответ:
answer:
e
explanation:
i really don't know. just guessing