Which type of solution produces hydrogen ions (H+) when dissolved in water?
Acidic solutions
What vocabulary word describes the substance that exists in the greatest quantity in a solution? (This is doing the disolving)
Solvent
Which type of solution produces hydroxide ions (OH-) when dissolved in water?
Name the pH for each type of solution:
- Acids (A)
- Bases (B)
- Neutral (N)
A: pH 0-6
B: pH 8-14
N: pH 7
Which vocabulary word describes a molecule that has a positive (+) and negative (-) end, like water?
Put the following substances in order from most basic to least basic:
Vinegar pH 3.5
Ammonia pH 12
Milk pH 6
Soap pH 9
Water pH 7
Ammonia (12), Soap (9), Water (7), Milk (6), Vinegar (3.5)
Which vocabulary word describes a positively charged ion that is formed when an acid dissolves in water?
Hydrogen Ion (H+)
What is an example of a substance where solubility decreases as temperature increases?
Gas in Water
What do we call a compound that changes color at different pH values when it reacts with acidic or basic solutions?
An indicator
Litmus paper is an example of which vocabulary word?
Indicator
Name the 3 ways to help a solute dissolve faster in a solution.
Stirring the solution
Crushing the solute
Increasing the temperature
you begin with a 500 ml beaker, 10 grams of sugar, and 400 ml of distilled water. Which procedure will allow you to dissolve the MOST sugar in the LEAST amount of time?
Pour the sugar and water in the beaker, stir, and heat over a hot plate.
How can you neutralize an acid?
Add a base to it