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500 mL of a solution of CaCO3 and NaOH was first titrated with N10 HCl using phenolphthalein indicator. 18.5 mL of HCl was required for the end point. After that methyl orange indicator was used and 2.5 mL of same HCl was required for the next end point. Find out the mass of CaCO3 in the mixture. |
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Answer» 500 mL of a solution of CaCO3 and NaOH was first titrated with N10 HCl using phenolphthalein indicator. 18.5 mL of HCl was required for the end point. After that methyl orange indicator was used and 2.5 mL of same HCl was required for the next end point. Find out the mass of CaCO3 in the mixture. |
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