Question

Which formula can be used to calculate the molar mass of ammonia (NH3)?

Answer 1

Answer: The correct answer is Option C.

Explanation:

Molar mass is defined as the sum of the atoms present in a compound each multiplied with the number of atoms present in it.

For a compound $A_xB_y$

The molar mass will be = $[(x\times \text{Molar mass of A})+(y\times \text{Molar mass of B})]$

So, for the given compound $NH_3$,

The molar mass will be = $[(1\times \text{Molar mass of Niyrogen})+(3\times \text{Molar mass of Hydrogen})]$

Hence, the correct answer is Option C.