An old reagent bottle is labeled "Iron Chloride", with the iron charge missing from the label. It is known that iron can
Posted: Thu Jun 30, 2022 6:12 pm
Question 6 27 1 pts A water sample containing dissolved potassium sulfide was treated with copper(II) chloride to generate copper (II) sulfide precipitate. If 16.5g of copper (II) sulfide was isolated, and all of the sulfide in copper sulfide came from the dissolved potassium sulfide, what mass of potassium sulfide was dissolved in the water sample?
An old reagent bottle is labeled "Iron Chloride", with the iron charge missing from the label. It is known that iron can have either a +2 or +3 oxidation number. What is the maximum mass of iron possible in 10.0g of the unknown reagent? HINT: What is the chemical formula with the largest mass % of iron?