A 4.36-g sample of an unknown alkali metal hydroxide is dissolved
in 100.0 mL of water. An acid–base indicator is added,
and the resulting solution is titrated with 2.50 M HCl(aq)
solution. The indicator changes color, signaling that the
equivalence point has been reached, after 17.0 mL of the hydrochloric
acid solution has been added. (a) What is the molar
mass of the metal hydroxide?
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