Which gas moves the fastest at STP? (Molar Mass: CO2=44, NO2=46, NH3=17, H2S=34)
A.
CO2
...
Chemistry, 21.01.2021 14:00 careykrysta
Which gas moves the fastest at STP? (Molar Mass: CO2=44, NO2=46, NH3=17, H2S=34)
A.
CO2
B.
NO2
C.
NH3
D.
H2S
Answers: 2
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Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
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