Question

If a mass (g) of K₂SO₄ produced needs to be calculated and you are given 370.5 g mass of potassium chloride, how many steps will it take to get your calculation?

A. 1.
B. 2.
C. 3.
D. 4.

Answer 1

Calculating the mass of K₂SO₄ from 370.5 g of KCl typically requires four main steps: finding molar masses, calculating moles of KCl, using stoichiometry to find moles of K₂SO₄, and converting moles into mass of K₂SO₄.

Step-by-step explanation:

If you need to calculate the mass (g) of K₂SO₄ produced from 370.5 g of potassium chloride (KCl), you will generally follow several steps similar to the examples provided. The steps are:

1. Determine the molar mass of KCl and K₂SO₄ by referring to the periodic table and summing the atomic masses of the constituent elements.
2. Calculate the moles of KCl using the mass provided and the molar mass of KCl.
3. Using the stoichiometry of the reaction between KCl and the other reactants, determine the moles of K₂SO₄ that can be produced from the moles of KCl.
4. Calculate the mass of K₂SO₄ produced by multiplying its moles by its molar mass.

Since these steps are sequential and depend on the results of the previous ones, this calculation would take at least four steps. Keep in mind that these are the basic steps for stoichiometric calculations; additional steps may be required depending on the specifics of the problem, such as accounting for purity or yield.