There are 6 bottles of water. Salt is added to the first one, a strong acid namely HCl to the 2nd one, a strong base namely calcium hydroxide to the 3rd one, a weak acid namely vinegar to the 4th one, a weak base namely baking soda to the 5th one and the 6th bottle of water is left in the same way.
What will happen to each bottle, what will each bottle look like and how will each bottle smell if we look at the experiment for the second day?
It is difficult to make any definitive predictions without knowing the specific concentrations and amounts of each substance added to the bottles of water.
However, some general observations can be made based on the properties of each substance:
1. The bottle of water with added salt may appear murky or cloudy, depending on the type of salt and the amount added. It might have a slight salty taste and smell.
2. The bottle with added HCl (hydrochloric acid) could become more acidic and have a sour or pungent smell. It might also appear cloudy or have a residue if the acid concentration is high enough to react with the water.
3. The bottle with calcium hydroxide added may become more basic and have a slightly bitter taste. It could also appear cloudy if a lot of calcium hydroxide was added.
4. The bottle with vinegar added (acetic acid) may also become more acidic and have a sour taste and smell. It might appear unchanged, or cloudy if the vinegar concentration is high enough to react with the water.
5. The bottle with baking soda added (sodium bicarbonate) could become more basic and have a slightly salty or alkaline taste. It may also appear cloudy if the baking soda reacts with the water to form sodium carbonate.
6. The bottle of water left untouched should look and smell like plain water.
Again, these are general observations and the actual outcomes of the experiment will depend on the specific concentrations and amounts of each substance added.
Let's go through each bottle one by one:
1. Bottle with salt (NaCl): The addition of salt to water does not significantly change its appearance or smell. The water will remain clear and odorless the next day. The only difference is that the water may taste slightly salty.
2. Bottle with HCl (hydrochloric acid): The addition of HCl will cause the water to become acidic. It may appear slightly cloudy or have a faint yellowish color. The smell will be distinctly acidic, similar to vinegar. Caution should be taken when handling and smelling HCl, as it is a strong and corrosive acid.
3. Bottle with calcium hydroxide (Ca(OH)2): The addition of calcium hydroxide will make the water basic. It may turn cloudy and have a milky appearance due to the formation of calcium carbonate. The smell will be slightly alkaline or soapy.
4. Bottle with vinegar (acetic acid): The addition of vinegar, which is a weak acid, will not significantly change the appearance of the water. It will remain transparent and colorless. However, the smell will be distinctly acidic, similar to vinegar. Vinegar is often characterized by a sour or pungent odor.
5. Bottle with baking soda (sodium bicarbonate): The addition of baking soda, a weak base, will not significantly change the appearance of the water. It will remain transparent and colorless. The smell may be slightly alkaline, similar to baking soda. Baking soda is often odorless or may have a slightly salty smell.
6. Control bottle (no added substances): The water in the control bottle will remain unchanged, maintaining its original appearance and odor. It will remain clear, transparent, and odorless.
Please note that the specific changes in appearance and smell may vary depending on the concentration and amount of substances added to the water.