question archive 2g of a limestone sample containing CaCO3 as a basic substance was dissolved in 50 cm of 1
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2g of a limestone sample containing CaCO3 as a basic substance was dissolved in 50 cm of 1.0 HCl.the resulting solution was made up of to 250 cm with water 25cm of this solution required 11.6cm of 1.0M Noah for neutralisation.calculate the CaCO3 present in the limestone sample the ratio of HCl to CaCO3 from the balanced reaction is 2:1
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