Question

Calculate the molecular mass of (NH4)2SO4

Answer 1

Molecular mass of $(NH_4)_2SO_4$

Explanation:

• The sum of masses of all atoms present in the compound is called as molecular mass.
• In order to calculate the molecular mass of any substance, individual mass of atoms involved in the formation of compound must be calculated.
• Accordingly to calculate the molecular mass of $(NH_4)_2SO_4$, the mass of each atom must be calculated in the following way:
• In $(NH_4)_2SO_4$, 2 atoms of nitrogen, 8 atoms of hydrogen, 1 atom of sulfur and 4 atoms of oxygen are present.
• Thus the molecular mass of the substance can be calculated by the following equation:

Molecular mass of $(NH_4)_2SO_4$ = 2 (Atomic mass of nitrogen) + 8 (Atomic mass of hydrogen) + 1 (Atomic mass of Sulphur) + 4 (Atomic mass of oxygen)

Molecular mass of $(NH_4)_2SO_4$ = (2×14.01) + (8×1.008) + (1×32.06) + (4×16.00)

Molecular mass of $(NH_4)_2SO_4$ = 28.02+8.064+32.06+64.00

Molecular mass of $(NH_4)_2SO_4$ = 132.14u

• Thus the Molecular mass of $(NH_4)_2SO_4$ is calculated as 132.14u.

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Answer 2

Answer:

Explanation:.

Molecular mass of = 2 (Atomic mass of nitrogen) + 8 (Atomic mass of hydrogen) + 1 (Atomic mass of Sulphur) + 4 (Atomic mass of oxygen)

Molecular mass of = (2×14.01) + (8×1.008) + (1×32.06) + (4×16.00)

Molecular mass of = 28.02+8.064+32.06+64.00

Molecular mass of = 132.14u

Thus the Molecular mass of is calculated as 132.14u.