CH-1864
The mole
Chemistry · Secondary 4 · Medium · The mole
A student reacts 0.50 g of magnesium carbonate, MgCO₃, with excess hydrochloric acid.
MgCO₃ + 2HCl → MgCl₂ + CO₂ + H₂O
Calculate the number of moles of hydrochloric acid that react with 0.50 g of MgCO₃.
(Relative atomic masses: Mg = 24, C = 12, O = 16, H = 1, Cl = 35.5)
MgCO₃ + 2HCl → MgCl₂ + CO₂ + H₂O
Calculate the number of moles of hydrochloric acid that react with 0.50 g of MgCO₃.
(Relative atomic masses: Mg = 24, C = 12, O = 16, H = 1, Cl = 35.5)
- 0.0119 mol
- 0.00595 mol
- 0.084 mol
- 0.168 mol
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.