A solution contains Mg(NO 3 ) 2 andSr(NO 3 ) 2 , each at a concentration of 0.05

Question

A solution contains Mg(NO3)2 andSr(NO3)2, each at a concentration of 0.050 M.Can one of the metal ions be precipitated as its insolublecarbonate without the other? If so, which one? The pH of thesolution must be within what range of values for this to work asCO2 is bubbled into the solution? Please EXPLAIN youranswer. A solution contains Mg(NO3)2 andSr(NO3)2, each at a concentration of 0.050 M.Can one of the metal ions be precipitated as its insolublecarbonate without the other? If so, which one? The pH of thesolution must be within what range of values for this to work asCO2 is bubbled into the solution? Please EXPLAIN youranswer.

Explanation / Answer

In groups [in periodic table] the covalent naturedecreases from top to bottom . So Mg2+ ion is more covalentthan Sr2+. The Kip of Mg2+ is more when comparedto Sr2+. So Mg2+ is easilly prespitated. when CO2 is realeased in solution H2CO3 is formed . the resulting solution isacidic . So the resulting solution pH in between 0-7

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