Chemistry

2019 U.S. National Chemistry Olympiad Local Section Exam Question 2

Lithium hydrogen carbonate, LiHCO3, decomposes when heated to form Li2O, CO2, and H2O.
How many moles of H2O are formed when 0.50 mol LiHCO3 decomposes?

(A) 0.25 mol
(B) 0.50 mol
(C) 0.75 mol
(D) 1.0 mol

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Test ID: 1859
Source: acs.org