The mass percent of a solution made by dissolving 59.1 g of kf in 947 g of h2o

5.87%

Explanation:

Mass fraction of a solution is the ratio of mass of the solute to the total mass of the solution (Note that it is the total mass of the solution, i.e the sum of masses of solvent and solute). Mass percent is mass fraction times 100.

Here, the solute is KF and its mass is 59.1g. The solvent as usual is and its mass is 947g. Therefore, the total mass of the solution (solution is the mixture of solvent and solute, here KF and ) is 59.1 + 947 = 1006.1g.

The mass fraction is the ratio of mass of KF to the total mass of solution = .

Thus, the mass percent is mass fraction × 100 = 0.0587 × 100 = 5.87 %

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.

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explanation:

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