What is the percent yield of ferrous sulfide if the actual yield is 220 point 0 g and the theoretical yield is 275 point 6 g ? Use percent Yield is equal to Actual yield over Theoretical yield times 100

Use percent yield = (actual yield ÷ theoretical yield) × 100. Substituting the values gives (220.0 g ÷ 275.6 g) × 100 ≈ 79.8%. Therefore, the percent yield is 79.8 percent, choice C.

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