A 5.00 g sample of a pure solid compound A (molar mass 100 g mol⁻¹) reacts with excess B according to the equation $2\,A + 3\,B \rightarrow C + 4\,D$. After the reaction, 1.20 L of gas D is collected at 25 °C and 100 kPa. Calculate the percent yield of D based on the initial amount of A.

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Accepted Answer

48.5 % (to one decimal place)

Igcse Model Questions Vol1 2025 Chemistry Question 32

A 5.00 g sample of a pure solid compound A (molar mass 100 g mol⁻¹) reacts with excess B according to the equation \(2\,A + 3\,B \rightarrow C + 4\,D\). After the reaction, 1.20 L of gas D is collected at 25 °C and 100 kPa. Calculate the percent yield of D based on the initial amount of A.

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Igcse Model Questions Vol1 2025 Chemistry Question 32

A 5.00 g sample of a pure solid compound A (molar mass 100 g mol⁻¹) reacts with excess B according to the equation \(2\,A + 3\,B \rightarrow C + 4\,D\). After the reaction, 1.20 L of gas D is collected at 25 °C and 100 kPa. Calculate the percent yield of D based on the initial amount of A.

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A 5.00 g sample of a pure solid compound A (molar mass 100 g mol⁻¹) reacts with excess B according to the equation \(2\,A + 3\,B \rightarrow C + 4\,D\). After the reaction, 1.20 L of gas D is collected at 25 °C and 100 kPa. Calculate the percent yield of D based on the initial amount of A.