Question

$4$ grams of an ideal gas occupies $5.6035$ litres of volume at $546K$ and $2atm$ pressure. What is its molecular weight?

• A. 4
• B. 16
• C. 32
• D. 64

Answer 1

Answer: (B)

$M=\frac{WRT}{PV}$
$=\frac{4\times 0.082\times 546}{2\times 5.6035}=16$