What Substances Are Soluble in Water? Key Examples Explained

Discover which substances dissolve in water, including salts, sugars, gases, and alcohols, and learn why water is a universal solvent.

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Many substances are soluble in water, including salts, like sodium chloride (table salt); sugars, such as sucrose (table sugar); gases, like carbon dioxide (under certain conditions); and alcohols, such as ethanol. Water’s polarity makes it an excellent solvent for other polar molecules and ions, enabling these diverse substances to dissolve.

FAQs & Answers

  1. Why is water known as a universal solvent? Water is considered a universal solvent because its polar molecules can dissolve many other polar substances and ions, allowing a wide variety of compounds to dissolve effectively.
  2. What types of substances dissolve best in water? Polar substances such as salts, sugars, and alcohols dissolve best in water due to its polarity, while many non-polar substances do not dissolve well.
  3. Can gases dissolve in water? Yes, certain gases like carbon dioxide can dissolve in water, especially under specific conditions like pressure and temperature.