How Many Millilitres of 0

question 93

Multiple Choice

How many millilitres of 0.200 mol L^-1 FeCl₃(aq) are needed to react with an excess of Na₂S(aq) to produce 1.38 g of Fe₂S₃ if the percent yield for the reaction is 65.0%?
3 Na₂S(aq) + 2 FeCl₃(aq) → Fe₂S₃(s) + 6 NaCl(aq)

• A)25.5 mL
• B)43.1 mL
• C)51.1 mL
• D)102 mL

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Definitions:

Homogeneous Oligopolists

A market structure where a few firms offer products or services that are similar in nature and hence are close substitutes for each other.

Differentiated Oligopolists

Firms within an oligopoly market structure that sell products or services that are distinguishable from each other through branding, quality, or other features.

Herfindahl Index

A measure of market concentration that squares and sums the market share percentages of all firms within an industry.

Four-Firm Concentration Ratio

The four-firm concentration ratio is a measure used to assess the competitiveness of a market by calculating the combined market share of the four largest firms within an industry.