# chemistry

Concentrated phosphoric acid,H3PO4 was added slowly into some water to produce 5.0dm^3 of a dilute acid solution.100g of the pure phosphoric acid,H3PO4 was present in the solution.Find the concentration of the acid,in g dm^-3.

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1. Wouldn't that be 100g/5 dm^3 = 20g/dm^3

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posted by DrBob222

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