calculate the percentage of FeSO4 in sample Y

No data.

A 4.50 g sample of impure FeCl3 reacts with excess AgNO3. If the sample produces 6.40 g of AgCl, what is the mass percent of FeCl3in the sample?

0.268

To calculate the percentage of FeSO4 in sample Y, you will need to know the amounts of FeSO4 and the total sample weight. Here's how you can do it:

1. First, determine the weight of FeSO4 in the sample. This can be done using a variety of techniques, such as:

- Gravimetric Analysis: Weigh the sample before and after a chemical reaction that only involves the extraction or transformation of FeSO4. The difference in weight will correspond to the weight of FeSO4 in the sample.

- Titration: Perform a titration with a known concentration of a reagent that reacts specifically with FeSO4. The volume of the reagent consumed multiplied by its concentration will give you the amount of FeSO4.

- Spectrophotometry: Measure the absorbance of a sample solution at a specific wavelength using a spectrophotometer. Then, compare it to a calibration curve obtained with known concentrations of FeSO4.

2. Once you have determined the weight of FeSO4, you need to divide it by the total weight of the sample Y.

Equation: Percentage of FeSO4 = (Weight of FeSO4 / Total weight of sample Y) × 100

3. Multiply the result by 100 to obtain the percentage. This will give you the desired answer.

It's important to note that depending on the nature of sample Y, additional steps or considerations may be required. Always follow proper laboratory procedures and use appropriate techniques for accurate results.