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| 1. |
A sampleof hardwaterwas foundto contain278 ppm of calciumion . Into 1.00 L of thiswater , 1.06g of Na_(2)CO_(3) was added . What is the newconcentrationof Ca^(2+)ionin ppm ? Densityof all solutionis 1.0g//cc and K_(sp)of CaCO_(3) is 4.5 xx10^(-9) |
| Answer» SOLUTION :`0.059 ` PPM of `CA^(2+)` | |