qbouie16 qbouie16
  • 11-04-2019
  • Chemistry
contestada

How many grams of magnesium are required to react with 0.350 mol hydrochloric acid

Respuesta :

superman1987
superman1987 superman1987
  • 20-04-2019

Answer:

4.253 g.

Explanation:

  • Mg reacts with HCl according to the balanced equation:

Mg + 2HCl → MgCl₂ + H₂.

It is clear that 1.0 mol of Mg reacts with 2.0 moles of HCl with a ratio of (1: 2).

∴ no. of moles of Mg that reacts with 0.35 mol of HCl = (0.35 mol)/2 = 0.175 mol.

∴ no. of grams of Mg = no. of moles x atomic mass = (0.175 mol)(24.3 mol) = 4.253 g.

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