Question
use the molar volume of a gas to solve the following at STP:
a. the number of moles of O2 in 44.8 L O2 gas.
b. the number of moles of CO2 in 4.00L CO2 gas.
c. the volume(L) of 6.40g O2.
d. the volume(mL) occupied by 50.0g neon.
a. the number of moles of O2 in 44.8 L O2 gas.
b. the number of moles of CO2 in 4.00L CO2 gas.
c. the volume(L) of 6.40g O2.
d. the volume(mL) occupied by 50.0g neon.
Answers
Just remember the molar volume of a gas at STP is 22.4L; i.e., 1 mole of a gas @ STP will occupy 22.4 L.
Where grams is given, moles = grams/molar mass.
Where grams is given, moles = grams/molar mass.
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