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10 L of hard water requires 0.28 g of li...

`10 L` of hard water requires `0.28 g` of line `(CaO)` for removing hardness. Calculate the temporary hardness in ppm of `CaCO_(3)`.

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To calculate the temporary hardness of hard water in ppm of CaCO₃, we can follow these steps: ### Step 1: Understand the Reaction The reaction for removing temporary hardness using lime (CaO) is as follows: \[ \text{Ca(HCO}_3\text{)}_2 + \text{CaO} \rightarrow 2 \text{CaCO}_3 + \text{H}_2\text{O} \] ### Step 2: Calculate the Molar Mass of CaO and CaCO₃ - The molar mass of CaO (Calcium Oxide) is approximately: ...
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