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A sample of 0.46g He and an unweighed quantity of O2 are mixed in a flask at room temperature. The partial pressure of He in the flask is 75 mmHg, and the partial pressure of O2 is 145 mmHg. What is the mass of O2 in the container?
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1. Suppose 100.0 mL of an aqueous solution containing an unknown monoprotic acid (called HA) is titrated with 0.150 M KOH. The titration requires 47.82 mL of the potassium hydroxide to reach the equivalence point. What i ...
Suppose 100.0 mL of an aqueous solution containing an unknown monoprotic acid (called HA) is titrated with 0.150 M KOH. The titration requires 47.82 mL of the potassium hydroxide to reach the equivalence point. What is t ...
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