Chemistry·Prelims Questions

Molecular Mass and Formula Mass — Prelims Questions

NEET UG
Updated 21 Mar 2026
Q1easy

What is the molecular mass of sulfuric acid (H2SO4H_2SO_4)? (Given atomic masses: H = 1.008amu1.008\,\text{amu}, S = 32.07amu32.07\,\text{amu}, O = 16.00amu16.00\,\text{amu})

Q2medium

Which of the following compounds would typically have its mass referred to as 'formula mass' instead of 'molecular mass'?

Q3medium

Calculate the formula mass of calcium phosphate, Ca3(PO4)2Ca_3(PO_4)_2. (Given atomic masses: Ca = 40.08amu40.08\,\text{amu}, P = 30.97amu30.97\,\text{amu}, O = 16.00amu16.00\,\text{amu})

Q4easy

If the molecular mass of a compound is 180amu180\,\text{amu}, what is its molar mass?

Q5medium

Which statement correctly describes the nature of formula mass?

Q6easy

What is the molecular mass of ethanol (C2H5OHC_2H_5OH)? (Given atomic masses: C = 12.01amu12.01\,\text{amu}, H = 1.008amu1.008\,\text{amu}, O = 16.00amu16.00\,\text{amu})