Question

LACH PROBLEM

Answer 1

Answer:

1)

a) 3.9 mol.

b) The limiting reactant here is HBr that is in a low no. of moles and Al is in excess.

2)

a) 5.45 mol.

b) The limiting reactant here is Si that is in a low no. of moles and N2 is in excess.

3)

a) 2.36 mol.

b) The limiting reactant here is KI that is in a low no. of moles and CuCl2 is in excess.

4)

a) 2.36 mol.

b) The limiting reactant here is O2 that is in a low no. of moles and FeS2 is in excess.

5)

a) 13.24 mol.

b) The limiting reactant here is NH3 that is in a low no. of moles and NO is in excess.

6)

a) 2.71 mol.

b) The limiting reactant here is O2 that is in a low no. of moles and C2H6 is in excess.

7)

a) 7.085 mol.

b) The limiting reactant here is NaOH that is in a low no. of moles and As is in excess.

8)

a) 5.632 mol.

b) The limiting reactant here is H2 that is in a low no. of moles and Au2S3 is in excess.

9)

a) 5.6625 mol.

b) The limiting reactant here is H2O that is in a low no. of moles and CO2 is in excess.

10)

a) 7.905 mol.

b) The limiting reactant here is Fe that is in a low no. of moles and O2 is in excess.

Explanation:

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