Question

in which of the following formula mass is preferred over molecular mass ? 1. KCl. 2. C2H6.
3. N2. 4. H2O​

Answer 1

Among the given compounds, the formula mass is preferred over molecular mass in KCl.

Explanation:

• The formula which gives information on the name and number of atoms present in the compound is called a molecular formula.

• The total atomic mass of each element present in the compound is called the formula mass.

• Among the given compounds, apart from KCl, all the other three are indicated with the number of atoms present in each compound.

• Due to this reason, as the number of atoms is not mentioned in KCl, its formula mass is preferred over molecular mass.

Learn more about such concept

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