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If 0.2 moles of carbon are allowed to react with 0.4 moles of molecular oxygen, how many moles of co2 are formed?

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akiyama316
[tex]C + O_2 ----\ \textgreater \ CO_2[/tex]

Here we have to find the limiting reagent.

Let's start with 0.2 moles of C.
So, moles of O2 require = 0.2 moles

but, there are 0.4 moles of O2 available.
So, O2 is excess agent.

Means C is limiting agent. Means calculation will be done with C.

So, moles of CO2 form = 0.2

so, mass of CO2 =  0.2 x 44 = 8.8g

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