1.42 gram mixture of CaCO3 and MgCO3 is dissolved in 160 mL of N/4 HCl and the volume of solution is made 250 mL by adding water. 10 mL of this solution requires 12 mL of N/30 NaOH for complete neutralisation. Calculate the percentage of each component in the original mixture.
CaCO3=70.42%,NaOH=29.58%
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