Question- a sample contains about 25 of the ion a2- a2- is, Ask an Expert

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Question- A sample contains about 25% of the ion A2- . A2- is determined by precipitating the compound M2A. M has an atomic weight about 3.5x that of A. If the uncertainty in determining the weight of the precipitate is not to exceed 1% on a balance accurate to 0.1 mg, what is the minimum mass of the sample that should be taken for analysis?

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Category:- Chemistry
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