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chemistry question check

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consider the following chemical reaction:

2 H20 ---> 2H2 + O2

How many moles of H20 are required to form 1.8 L of O2 at a temperature of 315 K and a pressure of 0.957 atm?

I got 0.066 moles.

Correct?

Nope.

Do you have some reasoning that you followed you want to have critiqued?

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