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Updated: May 23, 2025
In the analysis of a one-gram sample of soda ash, what must be the normality of the acid in order that the number of cubic centimeters of acid used shall represent the percentage of carbon dioxide present? !Answer!: 0.4544 gram. What weight of pearl ash must be taken for analysis in order that the number of cubic centimeters of 0.5 N acid used may be equal to one third the percentage of K CO ?
NaOH = 1 cc. of H PO solution of which 1 cc. will precipitate 0.01227 gram of magnesium as MgNH PO . Calculate the percentage of KHC H O . !Answer!: 88.67%. A one-gram sample of sodium hydroxide which has been exposed to the air for some time, is dissolved in water and diluted to exactly 500 cc.
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