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Chemistry, 01.09.2020 04:01 cadanceowasso

A 2.00 g sample of finely ground limestone was placed in an Erlenmeyer flask, and 60.00 cm3 of 3.000 mol dm-3 HCl. After the reaction went to completion, the impurities were filtered off and the solution was diluted with water to a total volume of 100.0 cm3 . 25.00 cm3 of this solution required 35.50 cm 3 of 1.000 mol dm-3 NaOH for neutralization. What is the mass% of CaCO3 in the limestone?

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