A gas mixture contains 3. 0 mol of hydrogen (h2) and 7. 3 mol of nitrogen (n2). The total pressure of the mixture is 304 kpa. What is the mole fraction and partial pressure of h2?.

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Iknow this isn't a question, but is there someway to ask a question under public safety or is there no category for it? i don't know if i'm overlooking it or not.

Which food would provide you with the most calcium?