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Updated: May 3, 2025
What weight of magnetite must be taken for analysis in order that, after precipitating and igniting all the iron to Fe O , the percentage of Fe O in the sample may be found by multiplying the weight in grams of the ignited precipitate by 100? !Answer!: 0.9665 gram. If exactly 12.6 cc. of the mixture are required, how many grams of MgCl per liter does the solution contain?
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