Question

# What is the molar mass of KCl?

Solution

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When we talk about molar mass, it represents the mass of some substance which is consisted in 1 mole of that substance. The molar mass of some compound is the average mass of all of the isotopes of that compound.

We can find the molar mass of some compound by summing up molar masses of all of the atoms present in a compound.

According to the SI measurement system, official SI unit for molar mass is kilogram per mole, but generally we use gram per mole.

$\mathrm{\dfrac{kg}{mol}\ or\ \dfrac{g}{mol}}$