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Two flasks contain 40% and 70% by volume formaldehyde, respectively. if 200 g out of the first flask and 150 g out of the second are mixed, what is the concentration (expressed as percent formaldehyde by volume) of the formaldehyde in the final mixture

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Answer:

40% and 70% by volume formaldehyde, respectively. if 200 g out of the first flask and 150 g out of the second are mixed

Explanation:

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