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Summary Edexcel iGCSE Chemistry notes on water of crystallization $5.86   Add to cart
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Summary Edexcel iGCSE Chemistry notes on water of crystallization
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  • Course
  • Chemistry
  • Institution
  • GCSE

I used this document in my GCSE revision and it helped me to achieve a Grade 8 in my final chemistry GCSE exam (edexcel igcse board). These notes are made based on the CGP GCSE guide.

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Document information

  • October 19, 2024
  • 1
  • 2023/2024
  • Summary

Subjects

  • chem
  • chemistry
  • edexcel igcse
  • water of crystallization
  • revision

Written for

  • GCSE
  • GCSE
  • Chemistry
  • 1
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Content preview

E MISSW
water
+
8
molecules have a small

What is water of crystallisation ? H H + charge (8) on the hydrogen

All solid salts consist of a lattice of
atoms and a small-charge (8
on the
oxygen atoms

positive and negative ions
Ori
In

are
some
also
of these
incorporated into
salts , water

the
molecules
lattice M
↳ the
·
if a
salts

salt
are

doesn't
hydrated
contain water then it this H H8t
means that

is an hydrous they are attracted to

the ions in the

lattice and are held

Worked Example : Oge im place



Heating hydrated magnesium sulphate , MgS0x . XHz0 ,
in a crucible forms anhydrous
magnesium Slufate MgSOp , . Use the experimental data below to find the value of X

and write the formula of the hydrated salt
.




mass crucible 42 0009
of empty : .




mass of crucible +
MgSOn .
XHc0 : 45 .

210g
mass of crucible +
MgSO4 : 43 .


5679


1) Work out what mass of MgSO4 .
XH ,O and MgSO4 you have

Mass of Mg

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