1. The substance KSCN is frequently used to test for iron in solution because of a distinctive red color forms when it is added. As laboratory assistant you
need to prepare 1.00L of 0.20M KSCN solution what mass in grams of
KSCN is needed?
Eth

definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.

a corroding iron, if that's one of your choices