A Glass Flask Has a Volume of 500 ML at a Temperature

Multiple Choice

A glass flask has a volume of 500 mL at a temperature of 20°C. The flask contains 492 mL of mercury at 20°C. The temperature of the mercury and flask is raised until the mercury reaches the 500 mL reference mark. The coefficients of volume expansion of mercury and glass are 18 × 10^-5 K^-1 and 2.0 × 10^-5 K^-1, respectively. The temperature at which this occurs is closest to

A) 122°C.
B) 112°C.
C) 102°C.
D) 110°C.
E) 132°C.