Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

I posted this question multiple time and I am still getting different answers th

ID: 959558 • Letter: I

Question

I posted this question multiple time and I am still getting different answers this is confusing me. My exam is in a few days can someone please help me. I will also post the two answers I already have gotten. Which one is right or are they both wrong? (5 marks There are three components, x, y, and z, in a gas chromatographic determination of their relative quantities of each in a mixture. The operator chooses to dilute the sample with a solvent,. The relative peak areas are as follows (d) 68.7 11.4 13.7 z 6.2 What is the estimated ratio of x to y, in percentages? (5 marks END OE EXAMINATION PAPER

Explanation / Answer

Percent composition:

Divide the area of each peak by the total area of all the peaks and multiply by 100%

Each component in the mixture causes the same response in the detector.

So, we can use the areas under the curves to calculate the mole percent of each component.

% of X = (area of X/total area)100

The solvent area is Ignored in the caluculation.

The first posted (box) answer is the right ( i.e 2.20).