Heat of Dilution of H2SO4

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ssimpson
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Heat of Dilution of H2SO4

Post by ssimpson »

I am looking to increase the concentration of 79% w/w sulphuric acid by mixing it with 96% w/w sulphuric acid.

The dilution of 96% to 90% sulphuric acid is exothermic, however am I right in thinking that the increase of concentration of the 79% to 90% sulphuric is endothermic. Will this absorb the heat from the exothermic dilution causing an overall endothermic mixing?

If not what is the kJ/mol produced from this?
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