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Question
An alkali metal (x) forms a hydrated sulphate, \[\ce{X2SO4.10H2O}\]. Is the metal more likely to be sodium (or) potassium?
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Solution
X forms \[\ce{X2SO4.10H2O}\]. The metal is more likely to be sodium. So X is \[\ce{Na2SO4.10H2O}\]. It is otherwise called Glauber’s salt.
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