Author Question: One way of obtaining pure sodium carbonate is through the decomposition of the mineral trona, Na ... (Read 27 times)

campbellfam07 · **on:** Nov 5, 2023

Question 1

Lithium metal reacts with nitrogen gas to form lithium nitride. Identify the balanced reaction that describes this process.
◦ Li + N → LiN
◦ Li + N₂→ LiN₂

◦ 2Li + N₂→ Li₂N₂

◦ 6Li + N₂→ 2Li₃N
◦ 2Li + N₂→ 2LiN

Question 2

One way of obtaining pure sodium carbonate is through the decomposition of the mineral trona, Na₃(CO₃)(HCO₃)⋅2H₂O, as shown in the following reaction:
2Na₃(CO₃)(HCO₃)⋅2H₂O(s) → 3Na₂CO₃(s) + CO₂(g) + 5H₂O(g)
When 15 metric tons (1 × 10³ kg) of trona is decomposed, 11 metric tons of Na₂CO₃ is recovered. What is the percent yield of this reaction? (1 metric ton = 10³ kg)
◦ 13%
◦ 42%
◦ 65%
◦ 73%
◦ 95%

kuttz · **Reply #1 on:** Nov 5, 2023

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