daisy2009ola daisy2009ola

08-11-2022
Chemistry

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a piece of limestone was added to 1 DM cube of 0.1 Mol per dmcube hydrochloric acid after effervescence and stopped 31.25 cm cube of the resulting solution required 25 cm cube of 0.05 moldm cube sodium hydroxide for complete neutralization calculate the mass of limestone added (caco3 = 100,hcl=36.5,naoh=40).

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