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100 mL of tap water containing Ca(HCO(3...

100 mL of tap water containing `Ca(HCO_(3))_(2)` was titrated with N/50 HCl with methyl orange as an indicator. If 30 mL of HCl were required, the temporary hardness as parts of `CaCO_(3)` per `10^(6)` parts of water is

A

150

B

300

C

450

D

600

Text Solution

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The correct Answer is:
B
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