CH-757
The mole
Chemistry · Secondary 3 · Medium · The mole
20.0 g of magnesium reacts completely with excess dilute hydrochloric acid according to the equation:
.
What is the number of moles of hydrogen gas produced? (Ar: Mg = 24)
.
What is the number of moles of hydrogen gas produced? (Ar: Mg = 24)
- 0.42 mol
- 0.83 mol
- 1.67 mol
- 3.33 mol
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