Astudent intended to make a salt solution with a concentration of 10.0 grams of solute per liter of solution. when the student's solution was analyzed, it was found to contain 8.90 grams of solute per liter of solution. what was the percent error in the concentration of the solution?

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

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