What volume of hydrogen is produced at s.t.p. When 2.60 g of zinc reacts with...
CHEMISTRY
WAEC 1999
What volume of hydrogen is produced at s.t.p. When 2.60 g of zinc reacts with excess HCI according to the following equation? Zn(s) + 2HCI(aq) → ZnCI2(aq) + H2(g) [Zn = 65; 1 mole of a gas occupies 22.4dm3 at s.t.p] (g) [Zn = 65; 1 mole of a gas occupies 22.4dm3 at s.t.p]
- A. 0.040dm3
- B. 0.896dm3
- C. 5.82dm3
- D. 8.62dm3
Correct Answer: B. 0.896dm3
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