100mLOf top water containg Ca(HCO(3))(2)...

100mLOf top water containg `Ca(HCO_(3))_(2)`was titrated with 30mL if HCl were required calculate the tempporrary harness as parts of `CaCO_(3)` per `10^(6)` parts of water .

300ppm

150ppm

100pm

600ppm

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100 mL of tap water containing Ca(HCO_3)_2 was titrated with N/50 HCl with methyl orange as indicator. If 30 mL of HCl were required, calculate the temporary hardness as parts of CaCO_3 per 10^6 parts of water.

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