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प्रश्न
Write the formula of the following compound:
Aluminium sulphate
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उत्तर
Aluminium sulphate - Al2[SO4]3 - `"Al"^(3+)["SO"_4]^(2-)`
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संबंधित प्रश्न
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Example 2: A low-cost model for writing formulae: Take empty blister packs of medicines. Cut them in groups according to the valency of the element, as shown in the figure. Now, you can make formulae by fixing one type of ion into other.
For example:
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2 sodium ions can be fixed on one sulphate ion.
Hence, the formula will be Na2SO4.
Do it yourself:
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