An alkali metal, designated as M, forms a hydrated sulfate, M2SO4∙10H2O. Is the metal more likely to be sodium or potassium? Explain your reasoning.
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Rewrite 1 as 12 . Check the middle term by multiplying 2ab 2 a b and compare this result with the middle term in the original expression. Simplify. Factor using the perfect square trinomial rule a2−2ab+b2=(a−b)2 a 2 - 2 a b + b 2 = ( a - b ) 2 , where a=x and b=−1 .
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sodium is more likely to be form these compound in hydrate state.
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