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25.0 cm of arsenic acid, H3ASO4, required 37.5 cm of 0.100 mol/dm sodium hydroxide for neutralisation. 3 NaOH(aq) + H3ASO4(aq) Na3AsO4(aq) + 3 HO(l)

25.0 cm of arsenic acid, H3ASO4, required 37.5 cm of 0.100 mol/dm sodium hydroxide for neutralisation. 3 NaOH(aq) + H3ASO4(aq) Na3AsO4(aq) + 3 HO(l) Find the concentration of the arsenic acid in mol/dm. Give your answer to 3 significant figures. Find the concentration of the arsenic acid in g/dm. Give your answer to 3 significant figures.

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