Question

The equation to perform the calculation is shown below. 3. 45 mol KMnO4 × 8 mol H2O 2 mol KMnO4 Did you set up the equation correctly? Yes, and I got the correct answer. Yes, but I got the wrong answer because I made a mathematical error. No, I did not set up the equation correctly.

Answer 1

Yes, the equation has been set up correctly and got the answer right. Hence, option A is correct.

The calculations for the moles and amount of product and reactant  utilized and produced in a chemical reaction has been given from the balanced chemical equation.

Is the equation setup correct?

The balanced chemical equation has been set up that follows the law of conservation. According to this, the number of atoms of each reactant on the product and reactant side are equal.

The given equation for the reaction of potassium permangnate has been:

$\rm 2\;KMnO_4\;+\;16\;HCl\;\rightarrow\;2\KCl\;+\;2\;MnCl_2\;+\;8\;H_2O\;+\;5\;Cl_2$

The amount of water formed from 3.45 mol potassium permagnate has been:

$\rm 2\;mol\;KMnO_4=8\;mol\;H_2O\\3.45\;mol\;KMnO_4=3.45\;\times\;\dfrac{8}{2}\;mol\;H_2O$

The given equation has been similar to the equation set up. Thus, yes, the equation has been set up correctly and got the answer right. Hence, option A is correct.

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