Question

Caluculate the formula mass of K2SO4​

Answer 1

Answer -

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• Answer and Explanation: The molar mass of K2SO4 (potassium sulfate) is 174.257 g/mol or 0.174257 kg/mol. To find the mass of K2SO4, use a periodic table to find the atomic. nm

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Answer 2

Given: Given compound is potassium sulfate.

To find: We have to find the formula mass.

Solution:

To determine the formula mass of potassium sulfate we have to follow the below steps-

The chemical formula of potassium sulfate is $K_2SO_4$.

The atomic mass of K is 39.

The atomic mass of sulfur is 32 and the atomic mass of Oxygen is 16.

The compound has two K, one sulfur and four oxygen atoms.

Thus its formula mass will be-

$2 \times 39 + 32 + 16 \times 4 \\ = 78 + 32 + 64 \\ = 174$

The formula mass of potassium sulfate is 174.