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AP Chem 10 Online
OpenStudy (anonymous):

CHEMISTRY (COLLEGE) 42.00 mL of a phosphoric acid solution is titrated with 55.00 mL of a 0.250 M calcium hydroxide solution. What is the concentration of the phosphoric acid solution? A. 0.218 M B. 0.655 M C. 0.327 M D. 0.164 M

OpenStudy (alaa111):

(.250*55)/42=.327 c using law MV=MV

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