Given the following chemical reaction, calculate the number of moles of sodium sulfate produced when 3.25 moles of sodium chloride reacts with excess sulfuric acid according to the following balanced reaction; 2 NaCl(aq) + 1 H2SO4(aq) ---> 1 Na2SO4(aq) + 2 HCl(aq)

Answer : The number of moles of produced is, 1.62 moles

Explanation : Given,

Moles of = 3.25 mol

Now we have to calculate the moles of

The balanced chemical equation is:

From the reaction, we conclude that

As, 2 mole of react to give 1 mole of

So, 3.25 mole of react to give mole of

Therefore, the number of moles of produced is, 1.62 moles

the correct answer is answer a. a mixture

no other options make sense

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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.