(a) If the pressure exerted by ozone, O3, in the stratosphereis 3.0 x 10-3 atm and the temperature is 250 K, how manyozone molecules are in a liter? (b) Carbon dioxide makes up approximately0.04% of Earth’s atmosphere. If you collect a 2.0-Lsample from the atmosphere at sea level (1.00 atm) on a warmday 127 °C2, how many CO2 molecules are in your sample?

Question

(a) If the pressure exerted by ozone, O3, in the stratosphere
is 3.0 x 10-3 atm and the temperature is 250 K, how many
ozone molecules are in a liter? (b) Carbon dioxide makes up approximately
0.04% of Earth’s atmosphere. If you collect a 2.0-L
sample from the atmosphere at sea level (1.00 atm) on a warm
day 127 °C2, how many CO2 molecules are in your sample?

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