The excess of acid needed 16ml of 0.25m naoh for, Ask an Expert

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A mixture of MgCO₃ and CaCO₃ was dissolved in HCl (1.64g of a mixture of calcium carbonate and magnesium carbonate was dissolved in 50ml of 0.8 M HCL) The excess of acid needed 16ml of 0.25M Naoh for neutralization. then calculate Calculate the percentage of calcium carbonate and magnesium carbonate?

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