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please need help with Chemistry problems, show work

Word problem: 1. Use the following balanced chemical equation to answer the questions below: 4 Na(s) +0,(9) - 2 Na,O(s) a How

4. (a) 2.3 moles of Helium gas are at a pressure of 1.70 atm, and the temperature is 41°C. What is the volume of the gas? b)

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