Tenemos una botella de 500 cm3 de disolución de KCl (C= 35 g/l) y añadimos 250 cm3 de agua. ¿cuál será ahora la concentración de la nueva disolución?

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For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?