A 53 L Flask of Ideal Neon Gas (Which Is Monatomic)

Multiple Choice

A 5.3 L flask of ideal neon gas (which is monatomic) is at a pressure of 6.0 atm and a temperature of $290 \mathrm {~K}$ The atomic mass of neon is 20.2 g/mol. What is the mass of the neon gas in the flask. (R = 8.31 J/mol ∙ K, 1 atm = 101 kPa, N_A = 6.022 × 10²³ molecules/mol)

A) 2.7 × 10^-2
B) 1.6 × 10^-2
C) 1.3 × 10¹
D) 2.7 × 10¹
E) 2.7 × 10³