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Which of these best explains why the hydrogen atoms in a water molecule are attracted to Cl− ions in sodium chloride (NaCl)?

A. The hydrogen atoms have +1 charges.
B. The hydrogen atoms share electrons equally with the oxygen atom.
C. The hydrogen atoms have partial positive charges.
D. The hydrogen atoms form covalent bonds with the chloride ions.

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Answer:

C. The hydrogen atoms have partial positive charges

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Answer: C. The hydrogen atoms have partial positive charges.

Explanation: The solubility of substances is governed by: Like dissolves like, which states that polar compounds are soluble in polar solvents and non polar compounds are soluble in non polar solvents.

Water being polar in nature dissolves [tex]NaCl[/tex] by getting between the oppositely charged ions of solute and thus decreasing the forces of attraction between the ions. The positively charged [tex]Na^+[/tex] ions are attracted to positive pole of water which is hydrogen and the negatively charged [tex]Cl^-[/tex] is attracted to negative pole of water which is oxygen.

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