A list of techniques used to separate mixtures is given below. fractional
distillation
simple
distillation
crystallization
filtration
diffusion
From the list choose the most suitable technique to separate the following.
water from aqueous copper(II) sulphate
helium from a mixture of helium and argon
copper(II) sulphate from aqueous copper(II) sulphate
ethanol from aqueous ethanol
barium sulphate from a mixture of water and barium sulphate
[5]
[Total: 5]
CH2-OH CH2-OOCC17H33
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CH-OH +3C17H33COOh = CH-OOCC17H33 +3H2O
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CH2OH CH2-OOCC17H33
CH2-OOCC17H33 CH2-OH
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CH-OOCC17H33 + 3NaOH = CH-OH +3C17H33COONa
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CH2-OOCC17H33 CH2-OH
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Объяснение: