CH-2029
Molar gas volume
Chemistry · Secondary 4 · Hard · Molar gas volume
Hydrogen bromide, HBr, reacts with magnesium according to the equation:
.
50 cm³ of 0.20 mol/dm³ HBr(aq) reacts completely with excess magnesium at room conditions. What volume of hydrogen gas is produced? (Molar gas volume = 24 dm³/mol.)
.
50 cm³ of 0.20 mol/dm³ HBr(aq) reacts completely with excess magnesium at room conditions. What volume of hydrogen gas is produced? (Molar gas volume = 24 dm³/mol.)
- 12 cm³
- 60 cm³
- 120 cm³
- 240 cm³
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