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Neither nor. It is like to calculate fractions in mathematics, You have M and you have O_{2} . How many M you need to get MO and how many of it you get?

But you have 1 mole O_{2}. So how many mole M you need and how many mole MO you get? Or other way around, if you only have 1 mole M, how many moles O_{2} you need.

Please write the correct equation.

Quote from: chenbeier on August 23, 2018, 02:08:09 PMPlease write the correct equation.2M + O2 = 2MO

Quote from: IBM on August 23, 2018, 09:57:12 PMQuote from: chenbeier on August 23, 2018, 02:08:09 PMPlease write the correct equation.2M + O2 = 2MOFinally, yes this is correct but as everyone has been trying to point out to you this is 2 moles of metal M reacting with one mole of diatomic oxygen O_{2} giving 2 moles of metal oxide MO.

Yes it is, but this was not the point.

You mean 1 mole of diatomic oxygen = 2 moles of monoatomic oxygen?