0.1 mol of the following given antiviral compound (P) will weigh .........x $ 10^{-1} $ g.
Molar mass is given as 372 g/mol for compound (P).
Hence, for 0.1 mole, the mass will be: \[ \text{Mass} = \text{Molar mass} \times \text{Number of moles} = 372 \times 0.1 = 37.2 \, \text{g} \]