What mass of will be precipitated when a solution containing is added to a solution of ? — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
What mass of $AgCl$ will be precipitated when a solution containing $4.77\text{ g } NaCl$ is added to a solution of $5.77\text{ g } AgNO_3$?
Answer: A
💡 Solution & Explanation
Reaction: $NaCl + AgNO_3 \rightarrow AgCl + NaNO_3$. <br>$\text{Moles } NaCl = 4.77 / 58.5 \approx 0.0815 \text{ mol}$. <br>$\text{Moles } AgNO_3 = 5.77 / 170 \approx 0.0339 \text{ mol}$. <br>$AgNO_3$ is the limiting reagent. <br>$\text{Mass } AgCl = 0.0339 \times 143.5 \approx 4.87 \text{ g}$.
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