An aqueous solution of Na2CO3 is

Assessment: WAEC SSCE - Chemistry - 2014 (Objective) Subject: Chemistry

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An aqueous solution of Na2CO3 is
Answer Details
An aqueous solution of Na2CO3 (sodium carbonate) is alkaline. When sodium carbonate is dissolved in water, it dissociates into sodium ions (Na+) and carbonate ions (CO32-). The carbonate ions react with water molecules to form bicarbonate ions (HCO3-) and hydroxide ions (OH-). The presence of hydroxide ions makes the solution alkaline, with a pH greater than 7. Therefore, an aqueous solution of Na2CO3 is an alkaline solution.
Read lesson note on Acids, Bases And Salts (Ghana Only) (WAEC)
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