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April 20, 2014

Homework Help: chem

Posted by Tricia on Friday, December 7, 2012 at 8:55pm.

A 0.050 L solution of H2SO4 requires 200.0 mL of 4.0 M NaOH for phenophthalein to turns pink to colorless. What is the molarity of the original H2SO4 solution? I got 4M but my instructor said it's 8M how did he get that? Pls need help figuring it out. Thanks

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