karla18
karla18
10-03-2016
Chemistry
contestada
convert 72g of O2 to moles
Respuesta :
Tiendi
Tiendi
10-03-2016
moles = mass / molar mass
molar mass of O2 is 32
therefore moles = 72/32
= 2.25 moles
Answer Link
Divyankasc
Divyankasc
10-03-2016
Number of moles = Given mass/molar mass
Given mass : 72 gm
Molar mass of oxygen gas = 16×2 = 32 gm
Therefore, number of moles = 72/32 = 2.25
Answer Link
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