100 mL of tap water containing Ca(HCO_(3))_(2) was titrated with N/50 HCl with MeOH as indicator . If 30 mL of HCl were required , calculate the temporary hardness as parts of CaCO_(3) per 10^(6) parts of water . If your answer is 'a x 100' , what is the value of 'a'.

100 mL of tap water containing Ca(HCO_(3))_(2) was titrated with N/50

1.	100 mL of tap water containing Ca(HCO_(3))_(2) was titrated with N/50 HCl with MeOH as indicator . If 30 mL of HCl were required , calculate the temporary hardness as parts of CaCO_(3) per 10^(6) parts of water . If your answer is 'a x 100' , what is the value of 'a'.
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