The pressure of the atmosphere is mm at about 100 mile above the earth and temperature is

CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance

Problem

The pressure of the atmosphere is

2 \times 10^{-6}

mm at about 100 mile above the earth and temperature is

-180^\circ\text{C}

. How many mole are there in 1 mL gas at this altitude?