Concentrated hydrochloric acid has a molarity of 6.0 m. how many ml of hci must be used to make 500.0 ml of 2.0 m hydrochloric acid?

The answer to your question is:  167 ml

Explanation:

Data

HCl = 6 M

Volume 1 = ?

HCl 2 = 2 M

Volume 2 = 500 ml

Formula

                 C1 V1 = C2 V2

                V1 = C2V2 / C1

Process

                V1 = (2 x 500) / 6

                V1 = 1000 / 6

                V1 = 166.7 ml ≈ 167 ml

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.

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este