2NaNO 3 → 2NaNO 2 + O 2 . From the equation above, what is
CHEMISTRY
WAEC 1991
2NaNO3 → 2NaNO2 + O2. From the equation above, what is the volume of oxygen produced at s.t.p. when 8.5g of 2NaNO3 is heated until no further gas is evolved? (2NaNO3= 85, molar volume of gases at s.t.p. = 22.4dm3)
- A. 1.12dm3
- B. 2.24dm3
- C. 4.48dm3
- D. 11.2dm3
Correct Answer: A. 1.12dm3
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