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QUESTION
A student was asked to determine the purity of a contaminated sample of Ammonium chloride. A sample of 5.0 g was warmed with 100 cm3of 1.00mol dm-3sodium hydroxide solution. After all the ammonia h
A student was asked to determine the purity of a contaminated sample of
Ammonium chloride. A sample of 5.0 g was warmed with 100 cm3of 1.00mol dm-3sodium hydroxide solution. After all the ammonia had been driven off, the excess sodium hydroxide required 25.0 cm3 of o.5 moldm-3 sulphuric acid for neutralisation.
Calculate the percentage purity of the ammonium chloride in the sample
