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Andrej [43]
2 years ago
10

Write the balance equation of ammonium sulfide + aluminum chloride ​

Chemistry
1 answer:
Liono4ka [1.6K]2 years ago
5 0

Answer:

3(NH4)2S + 2AlCl3 → 6NH4Cl + Al2S3

Explanation:

Firstly, ammonium sulfide has a chemical formula of (NH4)2S while aluminum chloride has a chemical formula of AlCl3. These two chemical substances react as follows:

(NH4)2S + AlCl3 → NH4Cl + Al2S3

This chemical equation is however, unbalanced. To balance the chemical equation, one has to ensure that the atoms of each element on both the reactant and product side equates with one another.

If we carefully observe each atom on both the reactants and product side, we will have the following balanced equation:

3(NH4)2S + 2AlCl3 → 6NH4Cl + Al2S3

That is;

- 6 moles of N and Cl on both sides

- 24 moles of H on both sides

- 3 moles of S on both sides

- 2 moles of Al on both sides

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16. Formaldhyde has a mole ratio of 1 mole C: 2 moles H: 1 mole O. Its empirical formula is the same as its
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Answer:

d. 97.60 g

Explanation:

Given parameters:

Number of moles of formaldehyde = 3.25moles

  Ratio:

                 C               H              O

                  1                2               1

Unknown:

Mass of this sample  = ?

Solution:

The empirical formula of a compound is its simplest formula. It is the simplest whole number ratio of the atoms in a given substance.

The molecular formula is the actual formula of the compound.

 Since the molecular and empirical formula are the same here, the formula of the compound is;

                   CH₂O

To find the mass of the formaldehyde, use the expression below;

        Mass  = number of moles x molar mass

             molar mass of CH₂O = 12 + 2(1) + 16  = 30g/mol

      Mass  = 3.25 x 30  = 97.5g

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