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How many grams of water and how many grams of 85 wt% phosphoric acid would be needed to make 100 grams of 37 wt% phosphoric acid solution?
8 years ago

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bobpursley
in the 100 g of 37wt, then you need
100*.37 grams of phosphoric acid (pure).
So you need then of 85percent, 100*.37/.85 grams of the 85 percent phosphoric acid, and of water the remainder 100(1-.37/.85) grams of water Near 56 grams water).
8 years ago

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