Answer to Question #120900 in Organic Chemistry for Uche

Question

Mg + 2HCI(aq) --------------- H2(g) +MgCI2
Determine the number of mole of each product and reactant that would be needed or produced for each situation specified.
Mg given 2.0 moles
HCI given 0.5 moles
H2 given 4.2 moles
MgCI2

Answer 1

Mg given 2.0 moles: 4.0 mol HCl, 2.0 mol H₂, 2.0 mol MgCl₂

HCI given 0.5 moles: 0.25 mol Mg, 0.25 mol H₂, 0.25 mol MgCl₂

H₂ given 4.2 moles: 8.4 mol HCl, 4.2 mol H₂, 4.2 mol MgCl₂