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Galliunm chloride is formed bb the reaction of 2.6 L of a 1.44 M solution of HCl according to the following equation: 2Ga +
6HCl ? 2GaCl3 + 3H2
(a) Outline the steps neccessary to determine the number of moles and mass of H2
(b)Perform the calculations outlined

Respuesta :

laurahai

Answer:

3.8 g Hâ‚‚

Explanation:

(a)

1. Calculate the moles of HCl that react.

2. Convert the moles of HCl into moles of Hâ‚‚ using the molar ratio

3. Convert moles of Hâ‚‚ into mass using the molecular weight (2.02 g/mol)

(b)

1. Calculate the moles of HCl that react.

(1.44mol/L)(2.6L) = 3.744mol HCl

2. Convert the moles of HCl into moles of Hâ‚‚ using the molar ratio

(3.744mol HCl)(3Hâ‚‚/6HCl) = 1.872 mol Hâ‚‚

3. Convert moles of Hâ‚‚ into mass using the molecular weight (2.02 g/mol)

(1.872 mol Hâ‚‚)(2.02 g/mol) = 3.8 g Hâ‚‚

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