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What is the ph of a solution with a concentration of 5.2 × 10–8 m h3o+?
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Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
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Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
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Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
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What is the ph of a solution with a concentration of 5.2 × 10–8 m h3o+?...
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