A sample of 143 g of helium and an unweighted quantity of
A sample of 1.43 g of helium and an unweighted quantity of O2 are mixed in a flask at room temperature. The partial pressure of helium in the flask is 42.0 torr, and the partial pressure of oxygen is 159 torr.
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a sample of 143 g of helium and an unweighted quantity of o2 are mixed in a flask at room temperature the partial
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