One way of obtaining pure sodium carbonate is through the decomposition of the mineral trona, Na 3(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)
A) 13%
B) 42%
C) 65%
D) 73%
E) 95%
Correct Answer:
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