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10 January, 19:03

At STP, which of these substances is most soluble in H2O?

(1) CCl4 (3) HCl

(2) CO2 (4) N2

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  1. 10 January, 21:50
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    The correct answer is option 3. Hydrochloric acid is the most soluble in water at standard temperature and pressure because it is has a polar covalent bond which makes it a polar molecule. Water is also a polar substance therefore hydrochloric acid will really be soluble in water.
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