A 25.00-mL sample of a household cleaning solution was diluted to 250.0 mL in
a volumetric flask. A 50.00-mL aliquot of this solution required 41.27 mL of 0.1943 M HCl to reach a
bromocresol green end point. Calculate the mass/volume percentage of NH3 in the sample. (Assume
that all the alkalinity results from the ammonia.)
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