What is the concentration percent (M/V) of the following solutions: a. 20 g of KCl in 600 ml of solution
b. 32 g of NaNO3 in 2.0 L of Solution
c. 75 g K2SO4 in 1500 ml of solution

d.) the average kinetic energy of the gas particles is greater in container b because its particles move faster.

i have no clue hope you find the answer

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.