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OpenStudy (anonymous):
A 0.4243-g sample of CaCO 3 is dissolved in 12 M HCl and the resulting solution is diluted to 250.0 mL in a volumetric flask.How many moles of CaCO 3 are used (formula mass = 1 00.1 )?
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OpenStudy (aaronq):
moles= mass/formula mass
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