Explain hard water contains alkaline earth cations

Reference no: EM13240273

Hard water contains alkaline earth cations such as Ca2+ which reacts with CO32- to form insoluble deposits of CaCO3. Will a precipitate of CaCO3 form if a 250mL sample of hard water having [Ca2+] = 8.0x10-4M is treated with the following

a) 0.1mL of a 2.0x10-3M Na2CO3

b)10mg of solid Na2CO3

Reference no: EM13240273

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