Here's why:
* Baking soda (sodium bicarbonate) is a base: It has a pH higher than 7.
* Distilled water is neutral: It has a pH of 7.
* The pH of a solution depends on the concentration of the base: A more concentrated baking soda solution will have a higher pH than a less concentrated solution.
To determine the pH of a baking soda solution, you need to know:
1. The amount of baking soda: How many grams or teaspoons of baking soda are used.
2. The volume of distilled water: How many milliliters or liters of water are used.
Once you have this information, you can:
1. Calculate the molarity of the solution: This represents the concentration of baking soda in moles per liter.
2. Use a pH calculator or a pH meter: These tools can help you determine the pH of the solution based on its molarity.
Example:
Let's say you dissolve 1 teaspoon (approximately 5 grams) of baking soda in 1 liter of distilled water. You can use the information above to calculate the pH of the solution.
Remember: The pH of a baking soda solution can vary widely depending on the concentration.